This exchange process takes place in the aveolus (air sac) inside your lungs by diffusion.
it's from a different concentration gradient
the deoxygenated blood with carbon dioxide diffuse into a aveoli (which is in high concentration) and the aveoli release the oxygen into the blood stream (which is low concentration) therefore the blood will be oxygenated again
When it has dark clouds and it is not sunny out
Letters because it resprent unknown things
Answer:
I think its e
Explanation:
Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants
Carbon dioxide, your answer is C.
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