There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.
Answer:
B. Phosphorus exists as a single element in both living and nonliving things.
Explanation:
I’n pretty sure the answer is supposed to be about the tectonic plates. The plates constantly shift the land creating holes/dips in the earth and mountains in other places.
The plants grow because of the energy transferred from the sun
Nucleotides - they are molecules present in cells and are formed by nitrogenous bases
