Which of these events is a likely result of chemical water pollution?
A. Algae are killed by solvents that have run off into a pond.
B. Rainbow trout disappear from a stream because of high water
temperatures.
C. Fish die from lack of oxygen due to an algal bloom.
D. Sediment particles floating in water clog the gills of fish.
What’s the correct answer???
B is not the correct answer
Answers
Answer:D
Explanation: If it were A it would have to be C and vice versa so definitly D
Answer: A. Algae are killed by solvents that have run off into a pond.
Explanation: I just took the test
Related Questions
Which statement best explains how the animals in the diagram contribute to the carbon cycle?
A
They eat plants and other organisms that contain carbon which prevents it from
ever being Stored.
B
They eat plants and other organisms which contain carbon and deposit carbon
into the soil when they die.
С
They remove carbon from the atmosphere during respiration and replace it with
oxygen that is used in photosynthesis.
D
They remove carbon from the soil during respiration and exchange it with
oxygen that evaporates into the atmosphere.
Answers
Answer:
B
Explanation:
B
They eat plants and other organisms which contain carbon and deposit carbon
into the soil when they die.
The correct option is B. They eat plants and other organisms which contain carbon and deposit carbon into the soil when they die.
What is carbon cycle?Carbon is the foundation of all life on Earth, required to form complex molecules like proteins and DNA. This element is also found in our atmosphere in the form of carbon dioxide (CO2).
Carbon helps to regulate the Earth’s temperature, makes all life possible, is a key ingredient in the food that sustains us, and provides a major source of the energy to fuel our global economy.
Therefore, The correct option is B. They eat plants and other organisms which contain carbon and deposit carbon into the soil when they die.
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What evidence does the cladogram provide
Answers
18.
Which of the following organisms are
producers?
A. humans
B. bears
C. trees
D. fungi
19.
Answers
I hope this helps
Answer:
Trees
Explanation:
Trees are the only thing on the list that does nothing but help the environment/produce. Its not fungi because fungi is literal harmful bacteria that molded.
Explain the difference between afferent and efferent neurons.
Answers
Answer:
The Difference between Afferent and Efferent Neurons :- Neurons that receive information from our sensory organs (e.g. eye, skin) and transmit this input to the central nervous system are called afferent neurons. Neurons that send impulses from the central nervous system to your limbs and organs are called efferent neurons.Hope this helps you XD !!!Answer the following questions based on the article you just read.
Microscope
Name one disadvantage of light microscopes.
Answer:
Light microscopes can only magnify up to 2000 times the original size. It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.
Answers
Answer:
Light microscopes can only magnify up to 2000 times the original size. It is difficult to enhance the contrast between cells and their surroundings to see cell structure and movement with a light microscope.
Explanation:
k12
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in which layer of the sun does light form ?
Answers
Answer:
The photosphere
Explanation:
The photosphere
The photosphere is the visible surface of the Sun (Figure 24.18). This is the region of the Sun that emits sunlight. It's aso ne of the coolest layers of the Sun—only about 6700°C.
Which cut on the evolutionary tree would create a clade?
A, B, C, D
(See photo for example)
Answers
Answer:
A
Explanation:
how long does it take for a photon to travel through the convection zone
Answers
Answer:
50 million years
Explanation:
It can take a photon as long as 50 million years to travel all the way through the radiative zone. The convection zone surrounds the radiative zone. In the convection zone, hot material from near the Sun's center rises, cools at the surface, and then plunges back downward to receive more heat from the radiative zone.
What kind of tree was the first Christmas tree? Merry Christmas Everyone!!!!!!!!
Answers
fir tree and Merry Christmas <3
Answer:
Christmas Trees From Germany
Explanation:
Germany is credited with starting the Christmas tree tradition as we now know it in the 16th century when devout Christians brought decorated trees into their homes. Some built Christmas pyramids of wood and decorated them with evergreens and candles if wood was scarce.
most of the oxygen transported in the blood is in what form?
Answers
Answer:
Hemoglobin I think
Explanation:
Hemoglobin molecule change the shape/conformation...
3. ADP + Pi → ATP is best classified as which type of reaction?
Answers
Answer:
Hi Motomasa, you are correct that there is a bit of a misrepresentation, or at least a glossing-over, in the standard description of the function of ATP. The "energy-storing" capacity of ATP is NOT in the forming and breaking of the covalent phosphate to phosphate bonds. ATP -> ADP releases energy by two mechanisms. First because the process of hydrolysing the y-phosphate (the terminal phosphate) releases energy. And second because ATP and ADP are maintained out of equilibrium in cells. The action of utilizing an ATP brings the system closer to equilibrium, which releases energy.
There is a required energy input to break the phosphate to phosphate bond. This is the activation energy. However, the energy released upon hydrolysis and moving the system towards equilibrium are of greater magnitude than the activation energy input. I hope this helps!
Why does crab grass do so well when ordinary grass struggles in late summer? Is this a phenomenon ? Or is this based on a scientific principles, what is it that causes crab grass to thrive in relation to the different type of plants ?
Answers
Crab grass does so well when ordinary grass struggles in late summer
because its seed germination is higher when exposed to hotter
temperatures.
The seeds of crab grass are mostly dormant and their germination is
dependent on the soil temperature. During summer, the temperature of the
soil is usually higher which aids its growth .
This therefore explains the reason why crab grass does well than ordinary
grass in late summer periods.
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What are some benefits to using " Wood Framing?"
Answers
Answer:
Renewable, Recyclable, Natural. Timber is one of the few natural, renewable building materials. .
Carbon Positive.
Low Energy Production
Health and Wellbeing
Fire Performance
Natural Insulation.
also variety in size and design
Submit your project explaining your choices for each of the five scenarios presented.
Answers
Answer: Can you say which five scenarios is the project talking about-?
A baker uses yeast to make bread dough then lets it sit for one hour. During that time the dough doubles in size. What process is responsible for this effect?.
Answers
Answer:
alcoholic fermentation/ anaerobic respiration
Explanation:
Alcoholic fermentation is a biochemical process in which sugars such as glucose, fructose, and sucrose are converted into small amounts of ATP, producing ethanol and carbon dioxide during the process. ... In this form of anaerobic respiration, pyruvate is broken down into ethyl alcohol (C2H6O) and carbon dioxide
if a baker uses yeast to make bread dough then lets it sit for one hour alcoholic fermentation causes the rise of the dough.
What is alcoholic fermentation?Alcoholic fermentation is simply defined as the conversion of fructose and glucose in grape juice to ethanol, CO2, and heat by yeast.d heat by yeast.
In conclusion, The Phenomenon of alcoholic fermentation causes the rise of the dough
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David created a shoe box model of a grassland. He placed biotic factors in first but needs to add some abiotic factors. Which two abiotic factors could he add? A. Trees, B. Sunlight, C. Insects, D. Flowers, E. Humans, F. Water.
Answers
He placed biotic factors in first but needs to add some abiotic factors, two abiotic factors could he add Sunlight and Water.
What are abiotic factors in an ecosystem?An ecosystem is a place where biotic factors (that have a life) and abiotic factors (that have no life) converge, for the balance of the ecosystem both are necessary.
For example, in an ecosystem, animals and plants are the biotic factors, and among them, there are relationships such as animals that feed on other animals or others that feed on plants. But this life would not be possible if there were no factors such as water, sun, soil, oxygen, among others. So, the correct answer is C.
Thus, option "B and F" is correct.
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How did the Rosetta Stone help decipher hieroglyphics?
O A. matching images to Greek words
O B. providing the Egyptian alphabet
O C. translating common Roman trade words
O D. outlining a peace treaty between the French and English
Answers
D . outlining a peace treaty between the French and English
Which of the following is NOT a function of cardiovascular system?
A: moving white blood cells to infection sites.
B: moving oxygen throughout the body.
C: building immunity towards diseases.
D: transporting nutrients throughout the body.
Answers
Answer:
c.building immunity towards diseases
Which pair of archaeological techniques provide the most similar information about an artifact?
А.
floatation and horizontal position
B.
vertical position and carbon-14 dating
D.
horizontal positioning and vertical positioning
C.
carbon-14 dating and screen sifting
Answers
The pair of archaeological techniques that provide the most similar information about an artifact are carbon-14 dating and screen sifting, which is option C. Carbon-14 dating is a technique used to determine the age of an artifact based on the decay of carbon-14 isotopes.
Archaeological techniques are used by archaeologists and other researchers to gather information about artifacts and other cultural and historical materials. Different techniques are used depending on the nature of the artifact and the specific research questions being asked. The two archaeological techniques that provide the most similar information about an artifact are carbon-14 dating and screen sifting.
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Cell membranes are made up of a bilayer of phospholipids that are very selective about what substances can pass through.The table below shows the different types of molecules that can enter a cell. It compares the concentration on the outside to the inside of the cell, its relative size, and whether it is polar, nonpolar, or an ion. Determine how each molecule can pass into the cell. Is it by passive transport, active transport, or endocytosis? (3 points)
Answers
Answer:
Answer: Oxygen = passive Carbon Dioxide = passive Fructose = Endosytosis glutamine = Active Sodium ion = Active Potassium ion = Active Protein molecule = Passive or Endocytosis
Explanation:
js trynna get points lol
The molecules can pass into the cell by passive transport, active transport, or endocytosis.
Molecule | Concentration Outside | Concentration Inside | Size | Polarity | Transport | Mechanism
Glucose High Low Small Polar Diffusion
Oxygen High Low Small Nonpolar Diffusion
Sodium High Low Small Ion Active transport
Chloride Low High Small Ion Active transport
Amino acids Low High Medium Polar Carrier-mediated transport
Large protein Low High Large Polar Endocytosis
Glucose and oxygen can pass into the cell by diffusion. Diffusion is the movement of molecules from an area of high concentration to an area of low concentration. Glucose and oxygen are both small molecules, and they are both polar. This means that they can dissolve in the phospholipid bilayer of the cell membrane.
Sodium and chloride can pass into the cell by active transport. Active transport is the movement of molecules from an area of low concentration to an area of high concentration. Sodium and chloride are both ions, which means that they are charged particles. This means that they cannot dissolve in the phospholipid bilayer of the cell membrane. Instead, they need to be transported across the membrane by special proteins called ion pumps.
Amino acids can pass into the cell by carrier-mediated transport. Carrier-mediated transport is a type of passive transport that uses carrier proteins to transport molecules across the cell membrane. Amino acids are polar molecules, but they are larger than glucose and oxygen. This means that they cannot simply diffuse across the cell membrane. Instead, they need to be transported across the membrane by carrier proteins.
Large protein can pass into the cell by endocytosis. Endocytosis is a process by which the cell engulfs large molecules or particles. The cell membrane forms a pocket around the molecule or particle, and then the pocket pinches off to form an endocytic vesicle. The endocytic vesicle then fuses with a lysosome, where the molecule or particle is broken down.
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Transport in plants take place through a system of tube called
Answers
Answer:
Therefore this food is transported to other parts of the plant through a kind of tubes called phloem.
Explanation:
Answer the following question number 13 for 20 point
Answers
Answer:
All i could fine is metamorphic rocks
Explanation:
Metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids or, more commonly, some combination of these factors. Conditions like these are found deep within the Earth or where tectonic plates meet.
Hoped that helped:P
Answer:
D, or hornfels.
Explanation:
Hornfels is a metamorphic rock formed by the contact between mudstone / shale, or other clay-rich rock, and a hot igneous body, and represents a heat-altered equivalent of the original rock. This process is termed contact metamorphism. It's not like animal metamorphism.
Surface Mining facts
Answers
Answer:
For Surface Mining Fact read the pdf below:
https://nma.org/wp-content/uploads/2019/04/2019-External-Fact-Book.pdf
match the vocabulary word with the correct definition
reaction that needs oxygen
Monosaccharide used at the beginning big cellular respiration
useable cell energy
An organelle that produces ATP through cellular respiration
Reaction that does not need oxygen
VOCAB
1. Mitochondrion
2. ATP
3. Glucose
4. Aerobic
5. Anaerobic
Answers
Answer:
1. mitochondrion to an ATP through cellular respiration
2. ATP to unseable cell energy
3. glucose to monosaccharide used at the beginning big cellular respiration
4. aerobic to reaction that needs oxygen
5. anaerobic to action that does not need oxygen
What part of the microscope give us a sharper image?
a
micro or fine focus
macro focus
light source
on/off button
Answers
in plants the fertilized egg develops into a multicellular _________ within a female gametangium.
Answers
Answer:
Once fertilization has occurred, the embryo develops within the female gametophyte, and the ovule becomes the seed, complete with a food source (the gametophyte tissue) and a seed coat (the integument).
Help me with this please!!
Black fur colour is controlled by a dominant allele, B, and brown fur color by it's recessive allele, b. This characteristic is NOT sex linked. Give the genotypes of the parents and offspring of a cross between a black male and a brown female that produces 1/2 black offspring and 1/2 brown offspring.
Show all steps in working of this problem.
Answers
Answer:
What are specialized cells
Bb and bb the genotypes of the parents and offspring of a cross between a black male and a brown female produce 1/2 black offspring and 1/2 brown offspring.
What is the dominant allele?The connection between two genetic variants is referred to as dominant. Each gene has two alleles that an individual inherits from each parent. One allele of a gene, known as the dominant gene, will be expressed if the alleles are different. The impact of the other allele, known as the recessive one, is concealed.
The Cross between parents is Bb x bb
Gametes- B and b
Offsprings- Bb, Bb, bb, bb
The crossing analysis is attached in the image below.
A person needs two copies of a recessive allele, one from each parent, in order for it to result in a recessive phenotype.
Therefore, Bb and bb the genotypes of the parents and offspring of a cross between a black male and a brown female produce 1/2 black offspring and 1/2 brown offspring.
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What normally happens immediately after fertilization in sexual reproduction?
A) drsion of cells resulbng in the development of an embryo from a zygote
B) production of daughter cells having half the number of chromosomes as the parent cell
C) production of daughter cells having twice the number of chromosomes as the parent cell
D) Specialization of cells to form a fetus from an egg
Answers
Answer:I don’t know this one.
Explanation:but it should be a
Division of cells resulting in the development of an embryo from a zygote happens after fertilization. Therefore, option "A" is correct.
What is fertilisation?The creation of a single cell known as a zygote by the fusion of a female gamete is egg and a male gamete a sperm. The biological process of fertilization in animals entails the union of a sperm as the male gamete and an egg as the female gamete or ovum.
The three techniques of internal fertilization are oviparity is an egg deposited outside of the female body, oviparity is an egg kept within the female, and viviparity is said to be developed within the female followed by live delivery.
Therefore, fertilization is the first step in the development of the zygote and the development of life.
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best explanation of the role of dna and rna in making proteins?
Answers
Answer:
DNA stores the information for protein synthesis, and RNA carries out the instructions encoded in DNA.
DNA stores the information for protein synthesis, and RNA carries out the instructions encoded in DNA.
What is protein synthesis?
Cells create proteins through a process known as protein synthesis. Transcription and translation take place simultaneously. The conversion of genetic information from DNA to mRNA in the nucleus is known as transcription.
Initiation, elongation, and termination are its three stages. Following processing, the mRNA transports the instructions to a ribosome in the cytoplasm.
The ribosome, which is made up of proteins and rRNA, is where translation happens. The mRNA's instructions are read during translation, and tRNA then transports the appropriate sequence of amino acids to the ribosome. rRNA then facilitates the formation of bonds between the amino acids, resulting in a polypeptide chain.
A polypeptide chain may be further processed to create the finished protein after it has been created.
Therefore, DNA stores the information for protein synthesis, and RNA carries out the instructions encoded in DNA.
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As a metal, lithium will lose electrons to have a ful valence shell. How manyvalence electrons will it lose to have full valence shell? What will be the charge of the lithium ion?
please help me
Answers
Answer:
It will lose 1 electron
Its charge will be 1+, or simply (+)
Explanation:
Lithium it's located in the group one of the periodic table, the Alkali, and by rule, all Alkali are always gonna loose one electron during a chemical reaction to form a positive ion.
The charge is explained by the fact that, if lithium looses one electron, then it wi have less number of electrons than protons, meaning that, if there's a higher number of protons (positive charge), then the charge will be positive. And since the atom loosed one electron then its charge will be 1+
For example, during a chemical reaction calcium is always gonna loose 2 electrons, so its charge's gonna be Ca2+