The cell membrane ___________.
(more than one answer)

A,. helps to protect the cell

B. produces glucose

C. produces energy

D. keep the internal conditions of the cell stable

Answers

Answer 1

Answer: D and A

Explanation:

The plasma membrane, or the cell membrane, provides protection for a cell. The cell membrane maintains homeostasis in three main ways


Related Questions

what is a structure that develops in the mesoderm and allows for more complex internal organ formation

Answers

The structure that develops in the mesoderm and allows for more complex internal organ formation is coelom.

what is coelom?

The coelom develops within the mesoderm during embryogenesis. In most animals, the coelom (or celom) is the major bodily cavity that surrounds and contains the digestive tract and other organs.

What are the functions of coelom?

Coelom acts as a shock absorber and protects against mechanical shock. It allows the body organs to move more freely and protects them from damage caused by minor bends by cushioning the internal organs.The coelomic fluid also helps in gaseous transport and transport of nutrients and waste products.Coelom provides the additional room that organs require to grow and function. Because of coelom, things like heart pumping, bearing a kid in the womb, and so on are conceivable.

The structure that develops in the mesoderm and allows for more complex internal organ formation is coelom.

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What causes Huntington's
disease?
A. a mutation of a repeated codon CAG that
repeats 40 or more times this
B. a mutation causing an inability to break
down fatty tissue around the brain
C. an altered shape of hemoglobin where it
folds incorrectly

Answers

Answer: A.) A mutation of a repeated codon CAG that repeats 40 or more times

Explanation:

With time, Huntington's disease impairs certain areas of the brain's functionality. It is something that a person inherits from their parents. It frequently becomes fatal after up to 20 years of progressively worsening symptoms.

A huntingtin protein gene mutation is the root cause of Huntington's disease. The cytosine, adenine, and guanine (CAG) DNA building components repeat far more times than they should due to the flaw. A parent with HD has a 50/50 chance of passing the HD gene to each of their children.

Initial signs of Huntington's disease frequently include:

difficulty concentrating.memory lapses.depression – including low mood, a lack of interest in things, and feelings of hopelessness.

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C. An altered shape of the hemoglobin where folds incorrectly

What is form?
A. A mark that has length and direction
B. Shape with height, width, and depth
C. The area between and around objects
D. The way a surface fells or looks
Anyone have an answer for this question>?

Answers

The answer to the question is b

LAB REPORT, I NEED HELP WITH THIS QUESTION.

Answers

The title, abstract, introduction, methods and materials, findings, discussion, conclusion, and references are the eight sections that make up a lab report.

What is purpose of lab report?

Lab reports are an essential component of the scientific method. In order for someone who wasn't present to comprehend and repeat your results, the crucial work you did in the lab should be communicated in your lab reports. Additionally, they advise new research and experimentation, as well as changes to current techniques.

The components TITLE, INTRODUCTION, PROCEDURE, RESULTS, and DISCUSSION/CONCLUSION make up a standard report. Section headings should be in bold if you are typing your work on a computer.

The purpose of the experiment is stated in the beginning of a lab report, which also gives the reader some background information. Declare your report's topic in a straightforward and succinct manner (in one or two sentences). Give the reader any necessary background theory, prior study, or formulas.

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The picture below shows examples of fossils commonly seen in Big Bend National Park which is is part of the Chihuahuan Desert in West Texas. All three fossils are marine animals.

What does the presence of these fossils suggest about the past climate and area where Big Bend National Park is located?

pls help

Answers

It form an northern extension of Chihuahuan Desert. All three fossils are marine animals.

What is big bend national park?

The big bend national park is an extension of southwest texas and includes the entire mountain ranges and a large part of the Chihuahuan Desert this desert is the largest desert of North America and consists of various water sources. Forming a part of the physical feature of Mexico and west Texas.

Chihuahuan Desert this desert is the largest desert of North America and consists of various water sources. Forming a part of the physical feature of Mexico and west Texas.

Therefore, It form an northern extension of Chihuahuan Desert. All three fossils are marine animals.

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Which discovery is attributed to Phoebus Levene?
extraction and observation of DNA
identification of ribose and deoxyribose
recognition of RNA as DNA’s messenger
construction of an accurate DNA model

Answers

Identification of ribose and deoxyribose discovery is attributed to Phoebus Levene. Therefore, option B is correct.

What is ribose ?

Ribose is a type of sugar that the body uses to produce the energy-containing substance adenosine triphosphate (ATP), which is depleted during strenuous exercise. Ribose has been reported to increase power during short, intense burst of exercise.

Ribose is a monosaccharide, or simple sugar, which is an organic compound. Ribose is a bonded compound of five carbon atoms, ten hydrogen atoms, and five oxygen atoms. Ribose is a type of pentose sugar.

Thus, option B is correct.

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A student is testing isopods’ response to light. Isopods (also known as pill bugs or sow bugs) are crustaceans that breathe through organs that need to be kept moist. The results of the experiment show that the isopods move away from light and gather in dark areas as soon as they hatch. Select two statements that explain whether this behavior by the isopods is innate or learned and what adaptive advantage this behavior may have.
A. This behavior appears to be innate, because the isopods could not have learned the behavior during the experiment. The animals exhibited this behavior as soon as they were exposed to the light, right after they hatched.
B. This behavior has an adaptive advantage for isopods because dark areas in nature are usually moist. Those isopods that moved to dark, moist areas were more likely to survive and pass the genetic trait to their offspring.
C. This behavior appears to be learned, because the isopods only exhibited this behavior after they were exposed to the light in the experiment.
D. This behavior is artificial and therefore does not have an adaptive advantage for isopods in nature, because those isopods that moved to dark, moist areas would more likely become food for predators and would not survive.

Answers

The behavior of isopods has an adaptive advantage for them because dark areas in nature are usually moist. Those isopods that moved to dark, moist areas were more likely to survive and pass the genetic trait to their offspring. Thus, the correct option is B.

What is Adaptive advantage?

An adaptive advantage is a reproductive advantage in an organism that derives from being well-suited to the specific environment in which it lives. Adaptive advantage is likely to result in an organism that is producing more offspring than those organisms without the adaptive advantage.

Isopods show adaptive advantage because isopods move to dark areas away from light which are usually moist. The isopods that moved to the dark, moist areas were more likely to survive and pass the genetic trait to their offspring than other isopods.

Therefore, the correct option is B.

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Which pressure system moves cold air in closewise motion

Answers

Answer:

Low pressure systems

Explanation:

Low Pressure Systems
Hope this helps!

red wolves are aa endangered species in the United States. which agency is responsible for their protction

Answers

Answer:

the US fish and wildlife service

Explanation:

The cell membrane ___________.

Group of answer choices

A. helps to protect the cell

B. produces glucose

C. produces energy

D. keep the internal conditions of the cell stable

Answers

The answer is A. The cell membrane is like a wall protecting the inside of the cell.

Answer:

The cell membrane helps to protect the cell.

Explanation:

The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. In bacterial and plant cells, a cell wall is attached to the plasma membrane on its outside surface. The plasma membrane consists of a lipid bilayer that is semipermeable. The plasma membrane regulates the transport of materials entering and exiting the cell.

Use the codon chart above to determine the amino acid produced from an RNA Codon of UCA.
Leucine
Proline
Tyrosine
Serine

Answers

The codon chart of serine the amino acid produced from an RNA Codon of UCA. Hence option 4 is correct.

What are amino acids?

Amino acids are defined as the substances that are organic and have both amino and carboxylic acid functional groups. Amino acids' principal purpose is to create proteins by acting as their building blocks. Between 50 to 2000 amino acids are usually connected end to end in a wide variety of ways to make proteins.

Although serine is typically categorized as an amino acid that is not necessary for human nutrition, metabolically speaking, serine is indispensable and plays a crucial function in a number of cellular processes. For methylation processes that result in the production of S-adenosylmethionine, serine is the main source of one-carbon units.

Thus, the codon chart of serine the amino acid produced from an RNA Codon of UCA. Hence option 4 is correct.

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Which is NOT a type of
point mutation?
B. chromosomal mutations

Answers

Answer:b

Explanation:

Biochemical oxygen demand is a measure of the

Answers

The impact of a waste (water) on the oxygen content in a receiving water body.

Answer:

A measure of the amount of oxygen necessary to decompose organic material in a unit volume of water. As the amount of organic waste in water increases, more oxygen is used, resulting in a higher BOD.

Explanation:

One of the keys to success for Mendel was using pea plants. Explain how using pea plants allowed Mendel to control mating?

Answers

Mendel used pea plants in his experiments in which he was able to control mating because of the pollination characteristics of the pea plant.

What is Mendel's genetics?

Mendelian inheritance of Mendel's genetics refers to certain patterns of how the traits or characteristics are passed on from the parents to their offspring.

Mendel used garden pea plant (Pisum sativum) in his experiment of how the characters or traits transfer from one generation to the next generation. Mendel had various reasons to use pea plants for his genetic experiment study such as the observability of the pea plant's traits, ease of reproduction etc. However, the main reason for him using garden pea plant is because these plants allowed him to have controlled mating that is what made the traits more controllable and therefore Mendel was sure about his observations and results.

It was possible because the pea plants, during their flowering periods, are protected from the alien pollinators, therefore he could control the pollination process in the pea plant, which was a crucial part in terms of accuracy and reliability of the results.

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Do prokaryotic cells have nucleus?

Answers

Answer:

Prokaryotes do not have a nucleus. Instead prokaryote DNA can be found, bundled but free-floating, in a central region called the nucleoid.

the diagram represents protein synthesis which is essential to the function of all cells. what is represented by C?

Answers

The part of the diagram that represents transcription is C.

What is the essential part of every cell?Transcription simply means the process where the information that's in a strand of DNA is copied into a new molecule of messenger.It should be noted that transcription takes place in a nucleus. The diagram depicted represents structures and processes involved in protein synthesis in an animal cell. The part of the diagram that represents transcription is X.As the name implies, protein synthesis, involves the synthesis of proteins in a cell. Cellular structures in a cell called organelles are responsible for this function. These organelles include ribosome and rough endoplasmic reticulum.The ribosome is an organelle found in all cell types and is the site for the synthesis of proteins in the cell. The ribosome is where translation (process of synthesizing amino acid chains from mRNA) occurs. The chains of amino acid later becomes the protein.The Rough endoplasmic reticulum (RER) gets it "roughness" from the fact that RIBOSOMES are attached to its surface. Due to this, the RER functions in the synthesis of proteins. The RER is involved in the production, folding and packaging of proteins in eukaryotic cells. The RER processes the polypeptide produced by the ribosome into proteins that are carried to varying destinations.

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is biotechnology a new science? support your answer with specific examples

Answers

Biotechnology is not a new science but has always been applied by man in such processes as the fermentation of foods.

What is biotechnology?

Biotechnology is the process whereby living organisms are applied in industrial or technological processes to produce materials that are required by man for his use.

Biotechnology is a very old science because humans have from ancient times used microorganisms to produce various goods that are needed by man.

For example, biotechnology is seen in the ancient process of bread-making and fermentation of foods.

Even though humans might not have known this, these are all instances of biotechnology.

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Place the following labels in order indicating the passage of sound waves and their conversion to fluid waves through the ear and hearing apparatus.
Click and drag the terms from the left into the spaces provided on the right. Arrange them so they accurately display the pathway of an assertory repulse in chronological order.

Answers

Passage of sound in the correct order is;

auricle, auditory canal, tympanic membrane, malleous, incus, stapes, oval window, scala vestibuli, cochlear duct, scala tympani, secondary tympanic membrane

For the second image, from left, clockwise:

The impulse travels to the primary auditory cortex in the superior margin of the temporal lobeThe impulse travels from the cochlea along the cochlear nervethe impulse then travels to the cochlear nuclei of the medulla oblongata and the superior olivary nuclei of the ponssome fibers from the cochlear nuclei extend to the inferior colliculi of the midbrainthird-order neurons head from the inferior colliculi to the thalamus

How does the auditory impulse work?

As fluid moves about 25,000 nerve endings transform vibrations in the ear to impulses of electrical forms that travel along the cranial nerves and to the brain.

The impulse travels to the auditory cortex then to the cochlea to the medulla oblongata and so on.

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15. Examine the image below.
3 States of Matter

Which of the following statements is false concerning states of matter and kinetic energy?


A. Fewer particles indicates there is more kinetic energy

B. As temperature increases so does kinetic energy

C. As temperature decreases particles move closer together

D. As the number of particles increases so does kinetic energy

Answers

Examine the following images, the false concerning about states of matter and kinetic energy are:

(A) Fewer particles indicates there is more kinetic energy.

(B) As temperature increases so does kinetic energy.

(C) As temperature decreases particles move closer together

What is difference between solid, liquid and gas?

Solid molecules are held in fixed pattern but they are vibrating. And they are closely packed.

Liquid molecules packed close together in a random fashion, and free to move.

Gaseous molecules are widely separated and move at great space.

(A) We will have higher velocity or speed if we have less mass. This indicates that bigger particles with higher mass travel at a slower rate. Smaller particles with less mass travel faster.

(B) The average particle kinetic energy rises as an object's temperature rises. The thermal energy of the item grows as the average kinetic energy of its constituent particles rises. As a result, as an object's temperature rises, its thermal energy rises as well.

(C) The transition from a liquid to a solid state is known as freezing. Thermal energy is lost when the liquid cools. Its constituent particles, therefore, decelerate down and converge. Attractive forces start to trap particles, and crystals of a solid form.

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How would the bonding of a purine with a purine alter the dna molecule

Answers

A purine interacting with another purine would be problematic for the structure of the DNA molecule.

One of the two categories of nitrogenous bases found in DNA is purines; the other are pyrimidines.

Adenine (A) and guanine (G) are examples of purines, and they invariably couple with thymine (T) and cytosine (C), which are complementary pyrimidine bases.

DNA molecule. In the DNA molecule, pairings of two purines, such as adenine and guanine or guanine and guanine, would result in a bulky structure that would not fit into the double helix properly. The hydrogen bonds between the two strands of DNA would be broken as a result, which might result in a break in the DNA strand and mutations.Purine-purine bonding is therefore not conceivable in a DNA molecule because DNA's structure is highly particular and meticulously controlled to ensure its stability and function. For DNA replication and transcription to work appropriately, which is crucial for the transmission of genetic information and maintenance of life, the right matching of purines with pyrimidines is required.

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If the sequence 3' TCGTA 5' was used as a template in DNA replication, what would be the sequence of bases on the newly synthesized strand?

Answers

Answer: Sequence will be AGCAT.

Explanation:

DNA replication, as used in molecular biology, is the biological process that creates two identical copies of DNA from a single original DNA molecule. Its mechanism is different in eukaryotes and prokaryotes.

The DNA sequence that is duplicated when mRNA is produced is referred to as a template strand. It refers to the strand that is utilized by the enzymes responsible for DNA replication or RNA transcription to attach complementary nucleotides.

DNA polymerases, which require a template and a primer (beginning) and synthesis DNA in the 5' to 3' orientation, are the enzymes responsible for creating new DNA. One new strand (the leading strand) is created during DNA replication in one continuous piece. Small fragments make up the other (lagging strand).

So, According to the Chargaff's Rule and Complementary bases. A pairs with T and G with C.

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Earth’s surface contains a variety of landforms, formed by weathering and erosion. Which of the following describes a change to Earth’s surface due to weathering? Choose the three that apply.

Answers

The following statement below describes a change to Earth’s surface due to weathering :

A. plants creating a crack in a rock formation

B. rocks along the beach being reshaped by wave action.

F. glaciers scraping rocks across the land

What is a Wave?

This is referred to as a disturbance in a medium that carries energy without a net movement of particles.

Weathering can be defined as the breaking down of rocks as a result of certain factors such as rain, heat etc. They also form different types of cracks in the rocks after which they start disintegrating into tiny particles.

This process also occurs when the rocks which are present in the beach are being reshaped by wave action and the others mentioned above which is therefore the reason why option A, B and F was chosen as the correct choice.

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The options are:

A. plants creating a crack in a rock formation

B. rocks along the beach being reshaped by wave action

C. sand being blown to a new location by the wind

D. sediments moved from place to place by a river

E. rain washing soil down a steep hill

F. glaciers scraping rocks across the land

I need answers this is hardddd!!!!

Answers

The highest level of organization is the spinal cord. It is the largest from cells up

Answer:

answer is A

Explanation:

Select the components of the cell theory. (Choose all that apply.)
Group of answer choices

A. The cell is the basic unit of life for living things.
B. All things living and non-living have cells.
C. All living things are composed of one or more cells.
D. All cells have the same internal structure.
E. All cells come from pre-existing cells.

Answers

Answer: A. and C.

Explanation: All living organisms are composed of one or more cells

what is an organism that has the ability to use an atmospheric gas to produce an organic nutrient

Answers

Answer:

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers.

Explanation:

What are some behavioral adaptations for a lion​

Answers

Explanation:

Puffing: The lion pride makes this low-pitched sound to prevent fights.

Woofing is the term for a sound that resembles a scream for aid.

Grunting: The head lion or will be keeping an eye out for potential threats while a pride of lions is out and about.

function of vertebrate chromosomes

Answers

Answer: The function allows dna to copy itself

Write a paragraph describing the primary differences between plant and animal cells. Be sure to include a discussion of the various organelles specific to each cell and how they differ between plant and animal cells.

Answers

The difference between animal and plant cells is that they contain different organelles, among these are the chloroplasts that plant cells contain and animal cells do not.

What are the differences between animal and plant cells?

Each of these cells will have their own requirements, which is why they will have different types of organelles to be able to meet these requirements. Among the differences will be that plant cells will have chloroplasts to be able to generate their own food since they cannot obtain it by other means, so they will manufacture sugar through sunlight.

In plant cells it will have a cell wall that will be surrounded by a cell membrane. While animal cells will not have this cell wall.

Therefore, we can confirm that plant cells and animal cells will have differences in their content, function and organelles.

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Answer:

The primary differences between animal and plant cells concern the types of organelles present within them. Although these cell types are similar in that they’re both eukaryotes, plant cells have several structures not present in animal cells: chloroplasts, amyloplasts, and cell walls.

Explanation:

p foster

4 Which characteristics of living organisms are shown as the head of a flower faces the sun all day?
A excretion and growth
B nutrition and irritability
C irritability and movement
D movement and respiration
5 Which is common to all organisms?
A asexual reproduction
B breathing
C excretion
D locomotion
6 Which features are not common to living things and most machines?
A excretion/eliminate waste
B movement/propulsion
C reproduce/self-duplicate
D respiration/combustion
7 What do you think has been least important to human evolutionary success?
A a large well-developed forebrain
B large size
C opposable thumbs
D stereoscopic vision
8 Which of the following characteristics is present in humans but not all other mammal species?
A constant body temperature
B diaphragm
C mammary glands
D vocal cords
9 The Aedes mosquito transmits the dengue virus. What is the role of the mosquito and the virus?
Mosquito Virus
A a pathogen a pathogen
B a pathogen a vector
C a vector a pathogen
D a vector a vector
10 Which feature of humans is best helped by them being bipedal?
A intelligence
B locomotion
C swimming
D tool making
Short answer and essay type questions
11 (a) List the characteristics you would use to decide if something was living or dead.
(b) Which of these characteristics would best show you quickly whether an animal, which appears to be dead, is living?
12 Give a brief definition of the following terms
(a) respiration
(b) irritability
(c) nutrition
13 Under the headings organ, stimulus and response, list all the organs of the body that can detect stimuli, alongside name the stimulus and then the body's response.

Answers

4. Excretion and growth is a characteristics of living organisms that is shown as the head of a flower faces the sun all day.  

Option A is correct.

5. That which is common to all organisms is excretion.

Option C is correct.

6. Movement/ propulsion are features that are not common to living things and most machines.

Option B is correct.

7.  Large size has been least important to human evolutionary success?

Option B is correct.

8. The characteristic that is present in humans but not all other mammal species is vocal cords

Option D is correct

9. The Aedes mosquito transmits the dengue virus. The role of the mosquito is pathogen and the virus is a vector.

Option B is correct.

10. The feature of humans is best helped by them being bipedal is locomotion

So, option B is correct.

11. Growth and development,

reproduction

made of cells, response to its environment,

adaptation

11b, all the characteristics shown above.

12a  respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction that's to the environment.

12b, Irritability is a feeling of agitation that you might experience as a result of stress, mental health conditions, or physical disorders

12c, Nutrition is the biochemical and physiological process by which an organism uses food to support its life.

13.  eyes is for sight

noses are for smell,

we listen with our ears,

we taste with our tongue,

and we touch with our skin.

What is excretion?

Excretion is described as a process in which metabolic waste is eliminated from an organism.

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Any change to a sequence
of DNA is known as what?
A. mutagen
B. cancer
C. mutation this

Answers

Answer:cancer

Explanation:

Answer:

c) Mutation

Explanation:

Mutation is the change in a DNA sequence, it occurs due to error in the DNA replication of an organism. Therefore, the option (c) is the correct answer.

Other Questions
The curvature of a circle is inversely proportional to its radius. What is the exact circumference of a circle with one-third the curvature of a circle of radius 1? A town's population is 47,750 . About 100 people move out of the town each month. Each month,175 people on average move into town. A nearby town has a population of 50,500. It has no one moving in and an average of people moving away every month. In about how many months will the populations of the towns be equal? Write an equation to model the situation. Then solve the equation and answer the question.Which equation models the situation? traffic intensity is a very useful measure of: group of answer choices whether the system is stable or not the distribution of interarrival times the number of customers in a system the amount of congestion in the system Erick's TransitionErick is currently a manager of a small financial planning firm. He is seeking a new career with a large corporation in the banking industry. He recently applied for the financial manager opening at G & T Bank. He is concerned that the transition from his small firm to a large corporation will be difficult. To better prepare himself for this change, he has decided to enroll in a few business classes to strengthen his understanding of corporate finance. The business classes have proven to be a valuable tool for learning the critical skills needed to fully understand a financial plan, equity financing, and debt financing. Erick now believes he has strengthened his competitive advantage in his quest for the job.Refer to Erick's Transition. When Erick has to counsel clients on short-term versus long-term financing needs, which of the following should he identify as a short-term financing need?a.Speculative productionb.Replacement of equipmentc.Business start-up costsd.Acquisitions and mergerse.Expansion of facilities which one of the following statements is correct? a. both call and put option deltas are always positive. b. put option deltas are always negative. c. call option deltas are always negative. d. both call and put option deltas are always negative. Immunoprecipitation can be used in conjunction with which technique to identify the protein that is recognized by a specific antibody?. What is the most important function of the kidneys? write an assembly program that has a macro maximumthat finds the larger of two numbers inputted by the user A friend asks you how much pressure is in your car tires. You know that the tire manufacturer recommends 30 psi, but its been a while since youve checked. You cant find a tire gauge in the car, but you just finished taking physics and so you tell your friend, "I dont know, but I can figure it out." From the owners manual you find that the cars mass is 1700 kg . It It seems reasonable to assume that each tire supports one-fourth of the weight. Using a ruler, you find that the tires are 16 cm wide and the flattened bottom segment of the tire is 15 cm long. Your observation of the tire tread pattern suggests that two-thirds of this segment is in actual contact with the road.What answerin psiwill you give your friend? according to this graph, the minimum size of an object that could cause a mass extinction is a little less than _____ Which statement describes legal aspects of sexual behavior? 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Use any strategy to solve. even when she strongly disagrees with her brother's opinion, sofia effectively controls her own anger and responds with empathy to her brother's frustration regarding their dispute. her behavior best illustrates Find the equation that represents the proportional relationship in this graph, for y in terms of x. circulating naive t cells gain access to lymph nodes through high endothelial venules (hevs), which are located where? the primary way of keeping your food safe from contamination is . the primary way of keeping your food safe from contamination is . following the four cs: clean, combat cross contamination, cook, and chill refrigerating leftovers immediately after serving buying only foods free of additives buying only pasteurized foods What 3 things can be found in a scientific argument? in geology on marsPLEASE HELP I NEED TO SUBMIT SOON