Answer:
Humans release carbon dioxide (CO2) into the atmosphere through cellular respiration. This CO2 is used by plants during photosynthesis. During photosynthesis, plants release oxygen (O2) into the atmosphere. The oxygen is used by animals in order to carry out cellular respiration.
Explanation:
I put all I know into that so it should be right but if it isn't then I'm sorry
They are called prokaryotic cells
Answer:
It may vary because of the climate of that region or also the physical conditions, also the type of plants found there
One main reason is human influence
Explanation:
