Biosphere Atmosphere, and Hydrosphere
Trees are living things and thus are a part of the Biosphere.
Temperature is the Atmosphere.
Rainfall is associated with the Atmosphere and the Hydrosphere
Answer:
It is 2 cells I believe
Explanation:
Generation time is the time taken for a cell population to double in numbers and thus equivalent to the average length of the cell cycle.
Minerals would be a reasonable explanation to this scenario
My opinion is on Minerals
Answer=Minerals