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satela [25.4K]
3 years ago
12

Which statement best explains why each river has its own set of characteristics?

Biology
1 answer:
choli [55]3 years ago
4 0

Answer:

Rivers flow downhill, pulled by gravity toward the sea.

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A student designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of E. c
tigry1 [53]

Answer:

Temperature

Explanation:

An experiment has an independent variable which is a factor changed during the experiment. Effect of changes in the independent variable on the dependent variable is seen during the experiment.

According to the question, the experiment was set to observe the effect of temperature on bacterial growth. The bacterial population was exposed to different temperatures. Since the temperature was changed to observe its effect on bacteria growth, the temperature is the independent variable here.  

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3 years ago
How does the release of energy and nutrients from digestion help the rest of the body's systems?
olasank [31]

Answer:

Explanation:

The main goal of metabolism is for the ultimate release of energy. Energy is simply a function of the ability to do work. In this context, we consider energy in one of it forms, chemical energy.

The chemical energy obtained through digestion of food mostly in the form of glucose is the fuel for almost all of life's processes. This chemical form of energy serves as the power house for our functioning.

Energy is required by the brain to power it and carry out its function. Without energy being supplied to the brain, there won't be a living being.

Energy is needed for locomotion and other life activities. The muscles, bones and other appendages gets their coordination power from the energy released during metabolic processes.

It can be said that all life activities revolves round how organisms obtains and utilize energy.

Nutrients are the nourishment we derive from feeding. The nutrients helps to build our body parts e.g proteins. Energy are derieved from carbohydrates. Fats and oil are also energy sources and they help life functions. Vitamins and minerals supplies needed materials to make everyday life activities successful.

3 0
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A cold front is the zone where a cold air mass is replacing a warmer air mass. What do you predict will happen to the weather at
USPshnik [31]

Answer:

the temperature will change  

Explanation:

3 0
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The process of making nitrogen in the air usable to the plant is called nitrogen _______.
Mariulka [41]
The answer to that question is Peroxide.
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If you Dna bases are cat ,what would the mRNA look like
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The mRNA bases would be g-u-a
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