Answer: D. Heat
Explanation : Water Vapor is a source of warmth, since the heat that is radiated from Earth is absorbed by the water vapor. This is why greenhouses use water vapor as well.
Answer: Respiration
Explanation:
Respiration is the process of chemical energy stored in food which occurs through various enzyme controlled reactions. Some of the energy generated is stored as adenosine triphosphate (ATP) Hence, chemical energy from food is converted to chemical energy in the cell which the cell stores as ATP
Well advance in technology is always good. The advancement helps so that information can be gathered quickly.Also it helps to understand things better. like before telescopes or microscopes scientist could only eyeball things but later the advancement made it easy to see things human eyes cant see.
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