Answer: Splitting the water
Explanation:
Carbon dioxide has a regulating function in the splitting of water in photosynthesis.
The seed.
I think...
Go look at some memes~
Answer:
C
Explanation:
deer are alive and therefor biotic. As they graze they eat grass, walk on land and use oxygen, - all parts of the environment
Physical chemists study matter and energy, and there is chemical reactions in your body, and all living things have elements, like carbon.
I would say D