Answer:
organic molecules and carbon dioxide
Explanation:
Photosynthesis by land plants, bacteria, and algae converts carbon dioxide or bicarbonate into organic molecules. Organic molecules made by photosynthesizers are passed through food chains, and cellular respiration converts the organic carbon back into carbon dioxide gas. Cellular respiration does not affect the carbon cycle but is part of the carbon cycle. The 2 carbon cycles. carbon ( C ) is taken up by the plants and trees in the form of carbon dioxide ( CO2 ).
Answer:
contract
Electrical impulses from the brain tell the muscles to contract which moves the parts which causes pressure which squeezes the blood through the valves.
hope this helps xD
Hey i think the answer is A
I think that a newly retired township firefighter would be the answer because he would want to stay in shape but at the same time wants to relax<span />