What happens to the solids in wastewater at a wastewater treatment plant?


A. They are used as fertilizer on hay fields.

B. They are chemically aerated and released into the air.

C. They are released into a river, lake, or ocean.

D. They are treated and returned to people's homes.

Respuesta :

I think the answer is B 

hope this helps 

Answer:

A. They are used as fertilizer on hay fields. (APEX)

Explanation: