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Luba_88 [7]
3 years ago
14

What is the difference between ventilation, gas exchange and cell respiration?

Biology
1 answer:
FinnZ [79.3K]3 years ago
7 0
The process of inhaling and exhaling, with oxygen entering the alveoli (large surface area). (Carbon dioxide for oxygen). Cell Respiration: The chemical process occurring in the mitochondria where energy is released as ATP.
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Is Earth always the same distance from the<br> Sun? Explain.
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Answer:

No

Explanation:

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What is the difference between independent and dependent variables
trasher [3.6K]

The two main variables in an experiment are the independent and dependent variable.

An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable.

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For example, a scientist wants to see if the brightness of light has any effect on a moth being attracted to the light. The brightness of the light is controlled by the scientist. This would be the independent variable. How the moth reacts to the different light levels (distance to light source) would be the dependent variable.

When results are plotted in graphs, the convention is to use the independent variable as the x-axis and the dependent variable as the y-axis.

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