Question

1st 9wk 6wk benchmark 9th grade 25/26
assessment student answers
animal tissues and feces
which abiotic factor is primarily responsible for providing phosphates to plants?
○ feces
○ rainwater
○ rock
○ wastewater

Explanation:

The diagram shows that weathering of rock releases phosphates into the soil, which are then assimilated by plant cells. Feces are biotic, and rainwater and wastewater are not the main sources of phosphates for plants as indicated in the cycle. Rock weathering is the key abiotic process for phosphate supply to plants.

Answer:

C. rock