Question

phosphates have been banned in most dishwashing detergents in order to protect the environment. how do phosphates influence biotic factors?
a. they are needed for plant growth.
b. they increase the salinity of water.
c. they buffer cells from extremes in ph.
d. they cause acid to form in water.

Explanation:

Phosphates are essential nutrients for plants. They play a key - role in plant growth processes such as photosynthesis and energy transfer. Options B, C, and D are not the main ways phosphates influence biotic factors.

Answer:

A. They are needed for plant growth.