The answer is D, photosynthesis and respiration.
—Evidence—
Oxygen is a byproduct of photosynthesis and, correspondingly, carbon dioxide the byproduct of respiration.
Oxygen gives our cells the ability to break down food in order to get the energy we need to survive. Although other animals may use different organs to breathe with, they all get oxygen into their bodies through respiration.
Answer:
wild animals collectively; the native fauna (and sometimes flora) of a region.
Explanation:
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Answer:
I'm so sorry, but may you have an image because I see nothing other than "
State a conclusion based on the data from this experiment."
Explanation:
