The correct answer is A. grass
plants give off oxygen and take in carbon dioxide and animals take in oxygen and give off carbon dioxide.
Answer:
I think the answer would be D.
Explanation:
Maria would want to test her hypothesis with another experiment; the type listed in answer D.
Gggggggggggggghh by Ed for G
Answer:
Diffusion transports oxygen molecules from the capillaries to the bodily cells. Carbon dioxide flows from the cells into the capillaries as oxygen moves from the capillaries to the cells. Carbon dioxide is transported back to the heart and then to the lungs via the bloodstream.
