Answer:
the answer is d carbon-12,potassium,and argon
Explanation:
i got it right on the testt
Answer:
D. carbon-12, potassium, and argon
Explanation:
What are some of the adaptations
used by predators to capture prey?
A. Some predators have large flat teeth used to
grind seeds and other plant material.
B. Many predators have a keen sense of smell
and good hearing.
C. Many predators are large and easily frighten
prey.
How do geologists use satellites?
Answer:
Satellite imagery and aerial photography have proven to be important tools in support of mineral exploration projects. They can be used in a variety of ways. Firstly they provide geologists and field crews the location of tracks, roads, fences and inhabited areas.
Explanation:
Answer:
Mining and Satellite Imagery. Satellite imagery and aerial photography have proven to be important tools in support of mineral exploration projects. They can be used in a variety of ways. Firstly they provide geologists and field crews the location of tracks, roads, fences and inhabited areas.
Could someone help me match the types of resources with their descriptions ?
Answer:
They can be reproduced on a human time scale- Renewable resources
They take millions of years to form- Nonrenewable resources
They are produced naturally- both Renewable and Nonrenewable resources
They are extracted by mining- Nonrenewable resources
Their use as energy source is increasing because they reduce pollution- Renewable resources
Explanation:
1. Renewable resources are a type of natural resources that are replenished or reproduced by natural processes on a human time scale. Hence, they are inexhaustible as opposed to the Nonrenewable resources.
2. Nonrenewable resources are those resources that gets used up quickly than they can be replenished. Hence, they are exhaustible. These resources takes millions of years to form, and will take more to be replenished.
3. Both the renewable and Nonrenewable resources are found naturally i.e. they are exploited in their natural state, with no man forming them.
4. The Nonrenewable resources like crude oil, natural gas, coal etc. are found embedded in the Earth crust either in solid, liquid or gaseous form and are extracted by humans via MINING.
5. Renewable resources such as solar, wind, etc are increasingly used as sources of energy because of their eco-friendly characteristics. This means that they contribute less to emission of pollutants, that lead to global pollution. Hence, the reason renewable source of energy are called "Green or Clean" sources of energy.
Click on the link below to see the primate family tree diagram. Which of the
following statements is true?
Primate Family Tree Diagram
A. Orangutans evolved from lesser apes and Old World monkeys.
B. Gorillas evolved from orangutans.
C. Orangutans evolved from an ancestor they share with gorillas.
D. Gorillas are more closely related to lesser apes than to
chimpanzees.
Option A Orangutans evolved from lesser apes and Old World monkeys.
Are orangutans friendly?Orangutans are generally non-aggressive toward humans and each other. Many individuals reintroduced into the wild after having been in managed care are aggressive towards humans. Male-male competition for mates and territory has been observed between adults.
Do orangutans ever eat meat?Most of their diet consists of fruit and leaves gathered from rainforest trees. They also eat bark, insects, and, on rare occasions, meat.
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How does the design of your experiment control for outside factors that may affect the results?
Answer:
A factor of an experiment is a controlled independent variable; a variable whose levels are set by the experimenter. A factor is a general type or category of treatments. Different treatments constitute different levels of a factor
An experiment has several types of variables, including a control variable (sometimes called a controlled variable). ... A control variable is another factor in an experiment; it must be held constant. In the plant growth experiment, this may be factors like water and fertilizer levels.
Explanation:
The design of your experiment control for outside factors that may affect the results by making alterations in the diverse form of variables. It includes independent, dependent, and controlled variables.
What is an Experimental control?An experimental control may be defined as the designation of keeping some sorts of variables under constant conditions and utilizing this as a standard form of comparison to the experimental component.
The designation of an experimental control depends on the type of experiment. For example, if you want to observe cell growth and function in vitro, it is required to keep the nutrition and other factors constant and then analyze your observation.
In this experiment, the outside factors such as the amount of nutrition, sterilization, and incubation time affect the significant growth and function of cells. It is also found that all cells do not show identical growth and function.
Therefore, it is well described above.
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Choose the correct description for each phase of mitosis
Answer:
Explanation:
C, it has yet to split apart so the spindle fibers are yet to exist and they haven’t split apart yet
Which of the following molecules are used by heterotrophs as primary sources of free energy?
A. Proteins, carbohydrates, and nucleic acids
B. Carbohydrates, lipids, and proteins
C. Nucleic acids, lipids, and carbohydrates
D. Lipids, nucleic acids, and proteins
Answer:
B.
Explanation:
the carbohydrates come before the lipids because free energy source that come through proteins
Which statement describes how chemical formulas, such as H2O, represent compounds? They show the types of molecules that make up an atom. They show the elements that make up a compound. They show the three-dimensional shape of a molecule. They show the types of bonds that exist between elements.
Answer:
They show the elements that make up a compound
Explanation:
Compound consist of molecules that are identical, this molecules are made up of atoms of two or more elements.
An element is identified based on the atomic property of the element.
Water as a compound is composed of 2 Hydrogen atom to 1 oxygen atom and the molecule is H2O.
Water is composed of molecules hence, they are called molecular compound.
Chemical equation of water is showing elements that it is made up of is
H+ + OH- --- H2O .
Answer:
B
Explanation: eng
Using your knowledge of fungi, which of the following might prevent the mold from growing? A. Buy a different type of orange. B. Keep the oranges in the refrigerator. C. Put the oranges in a warm place. D. Put the oranges in a damp place. Which of the following diseases is caused by a bacteria? A. Chicken pox B.Tuberculosis C.. Dengue D. Polio Partial sterilization of a product such as milk at a high temperature is known as A. Pasteurization B. Filtration C. Pickling D. Refrigeration _______ are the agents that act as carriers of a pathogen and spread diseases. A. Vectors B. Microbes C. Parasites D. DNA
Answer:
Mold grows best in warm, humid environments. So, I think B is the correct answer. Answers C and D would actually encourage the growth of mold.
I know that B (Tuberculosis) is spread by bacteria.
Pasteurization is the process where milk is heated up to kill certain pathogens.
Finally, vectors are the agents that carry pathogens from one person to another and spread disease.
Increased capacity of the phosphagen system with speed (anaerobic power) training results from
(Check all that apply)
More myoglobin content of muscle
Greater mitochondrial power
Greater activities of the enzymes of the phosphagen system
More CP and ATP in muscle
Answer: Greater mitochondrial power
Greater activities of the enzymes of the phosphagen system
More CP and ATP in muscle
Explanation:
During high intensity exercises the large amount of muscle energy is required. This creates a high demand of ATP. The phosphagen system is the quickest method to resynthesize ATP. The creatine phosphate in the absence of oxygen provides phosphate to produce ATP. This provides greater mitochondrial power, in the rest the CP and ATP remain stored in the muscles. The enzymatic activity enhances with the phosphagen system.
What is the source of the ATP and NADPH
A. The dark reactions
B. The hydrogen ion pump
C. The light reactions
D. The Krebs cycle
Answer:
The answer is (C) The light reaction
Answer:
D. The Krebs cycle
Explanation:
it's the kreb cycle that produces ATP and NADPH including glycolysis.
hope it helps .
Explain why strong typing skills are important in a biller’s role.
A disadvantage of solar energy is
A. that the clouds can block the sunlight
B. it is not available at night
C. that the clouds can block the sunlight and it is not available at night
D. the sun is to hot the absorbed in solar panels
Answer:
the sun is hot the absorbed in solar panels
Explanation:
Answer:
The answer is D.
Explanation:
Solar power is pollution free and causes no greenhouse gases to be emitted after installation. Reduced dependence on foreign oil and fossil fuels. Renewable clean power that is available every day of the year, even cloudy days produce some power. Return on investment unlike paying for utility bills.
Given the following information, which is the best description of the data?
Range—5, from 12 to 17
Mode—14
Median—14.5
Mean—15
The data is around 13.
The data is around 12.
The data is around 15.
The data is around 17.
Answer:
Its d
Explanation:
Local environmental changes have no effect on the global climate.
Please select the best answer from the choices provided
от
F
Answer:
F
Explanation:
In one to three sentences, describe what happens during the carbon fixation stage of the Calvin cycle
Answer:
Carbon dioxide (CO2) combines with a five-carbon compound
3-phosphoglycerate (PGA) is formed.
Explanation:
Answer:
Carbon dioxide (CO2) combines with a five-carbon compound
3-phosphoglycerate (PGA) is formed.
Explanation:
are native or exotic plants better for sand dunes
Answer:
plants are better on sand dunes
Explanation:
sand dunes pertecs city from storms and strong waves and strong winds
Which statement describes what happens to the carbon dioxide produced in cellular respiration?
It is broken down to get oxygen.
It is used to produce glucose.
It is used to store energy.
It is breathed out.
Answer:
The answer is option 4.
Explanation:
Carbon dioxide is breathed out during cellular respiration as carbon dioxide is a toxic gas which is harmful to human body.
The Equation for Aerobic Respiration :
Oxygen + Glucose → Carbon dioxide + Water
Answer:
D)It is breathed out.
Explanation:
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Evolution is a theory because
A. we are not sure if it is true
B.there's not enough evidence yet
C.scientific theories are supported by a large amount of evidence
D.none of these is true
Most students have trouble with understand that HCl and Bile are not enzymes. They do allow for structural changes of the substrate, but they do not change the chemical breakdown of the substrate (breaking bonds. Describe your experience: 1. How comfortable do you feel about the statement that was just made? 2. What is a catalyst? Do you think that HCl and Bile are catalysts? Explain. 3. Using your own example, make an analogy explaining, to an 8-year-old, the concept of how a chemical will cause mechanical breakdown of a substance but not a chemical breakdown.
Most students have trouble with understand that HCl and Bile are not enzymes. They do allow for structural changes of the substrate, but they do not change chemically breakdown the substate (breaking bonds)
Bile salt is a fat emulsifier.It has an hydrophobic end which points towards lipids and hydrophilic ends towards water.With this arrangement, the structure of fatty acid is modified in such a way that the lipid is well distributed and scattered in water.However, the chemical bonds in the lipids are not affected by the bile salts, because, bile did not breakdown the chemical bonds in lipids to form new compound, its only changes the food physical structure for easy digestion.
Describe your experience:
How comfortable do you feel about the statement that was just made?
What is a catalyst? Do you think that HCl and Bile are catalysts? Explain.
Using your own example, make an analogy explaining, to an 8-year-old, the concept of how a chemical will cause mechanical breakdown of a substance but not a chemical breakdown
Answer:
1.The statement means that,HCL and bile, which change the pH nature of the digesting food, and emulsify the digesting food respectively, only allow for structural changes in these food materials,but do not break or make new bonds between the components of the food substances.Therefore they do not formed new substances, but rather modified the food substances, no chemical reaction occurs but their effects only aids the process of digestion.
When a substances increases or speed up the rate of organic chemical reactions, but do not undergo any permanent changes in it chemical structure, in the course of catalysis, the substance is called a catalyst.
During digestion, HCL activates precursor pepsinogen to enzyme pepsin , which aids protein digestion in the stomach. HCL is not a catalyst,But acts to aid the action of an enzyme , by activating its precursor, for digestion to take place,The acid does not form a new compound.
Bile is an emulsifier , which aids the digestion of lipids by forming to tiny globules for easy digestion. It does not form a new product, but rather modified the existing product for easy digestion.
Explanation:
Taste molecules are unique because different molecules trigger _______ in the nose and mouth
Answer:
sensation
Explanation:
sensation provides the taste to the brain
Prokaryotic cells have different internal structures than eukaryotic cells. Which of the following is/are found in eukaryotic cells but not prokaryotic cells?
1.nucleoid region
2. Cytoplasm
3. Membrane
4. Ribosomes
Answer:
Membrane-bound organelles
Explanation:
Prokaryotic cells are simpler than eukaryotic cells. They have some similarities, however. They both have a nucleoid region, genetic material, ribosomes, a plasma membrane, and cytoplasm. Prokaryotic cells don't have membrane-bound organelles.
What is a key difference between the phosphorus cycle and the carbon and nitrogen cycles? Phosphorus is present in both living and non-living things. Plants absorb phosphorus from the soil. Significant amounts of phosphorus are not found in the atmosphere. Weathering and erosion release phosphorus.
HELP! QUICK
A. 2: Electron transport chain
B. 3: Oxidative phosphorylation
C. 1: Glycolysis
D. 4: Krebs cycle
Answer:
A
Explanation:
it's the electron transport chain
Please help!! Which statement is most likely true? Select one: a. Subduction occurs in both locations. b. Seafloor spreading occurs in both locations. c. The magnetic orientation of rocks may change in Location A and subduction occurs in Location B. d. Subduction occurs in Location A and the magnetic orientation of rocks may change in Location B.
Answer:
The answer is C : The magnetic orientation of rocks may change in Location A and subduction occurs in Location B.
Explanation:
What disease is caused by this plasmodium which is transmitted through the bite of female mosquito? 2 points CHOLERA B. DENGUE C. MALARIA D. SLEEPING SICKNESS
Answer:
C. Malaria
Explanation:
Malaria is caused by Plasmodium parasites. The parasites are spread to people through the bites of infected female Anopheles mosquitoes, called "malaria vectors."
The following diagram shows a stage of a cell during mitosis. Two identical circles are joined in the middle and they have the nucleolus inside the nucleus in the center of the circles. Which of the following happens to the cell during the stage shown in the diagram? The chromosomes are replicated. The chromosomes start to condense. The chromosomes line up in the middle. The chromosomes begin to uncoil and form chromatin
Answer:
I think it's C
Explanation:
Answer:
The answer would be C
Explanation:
In the process of this, they do line up in the senter of the cell and then split creating 2 cells, that is what the line causes
what features of ionizing radiation make it a good choice for killing microbes in packaged materials?
A.ionizing radiation is able to penetrate the packaging materials
B.ionizing radiation is safe for killing microbes on living surfaces (such as human tissues)
C.ionizing radiation kills endospores
D.ionizing radiation does not require special instruments or equipment
Answer:
Normally sterilizing food using radiation does not induce radioactivity but sometimes it may change the taste, texture of the food and it may also destroy the nutrients. radiation is used to kill the harmful bacteria and to increase the shelf life. when the radiation is very energetic it alters the food structure but it does not make it radioactive. To become radioactive one has to make a nucleus unstable. ionizing radiation normally cannot do this. FDA has established maximum energy levels for radiation to prevent the treated foods from becoming radioactive. The energy levels of the rays are too low to induce radioactivity in the food. So there is no harm in consuming treated foods.
Explanation:
Polygenic traits are controlled by how many genes?
O 1
O2
O many
none
What methods would the body use to provide a person with energy throughout a race?