1)Respiration
2)Both
3)Respiration
4)Respiration
5)Respiration
6)Photosynthesis
7)Respiration
8)Photosynthesis
9)Photosynthesis
10)Respiration
11)Photosynthesis
12)Photosynthesis
13)Photosynthesis
14)Respiration
15)Respiration
16)Photosynthesis
Energy flow is the amount of energy that moves through a food chain
chemical cycling is the flow of elements and compounds between living organisms and the physical environment
It would be A keeping lakes and rivers free of pollution im pretty sure im on the question myself but im pretty sure that i got it right.
