List and explain the steps of protein synthesis

three steps: initiation, elongation, and termination.

Explanation:

-  initiation pertains to the beginning of a state or of a process

-  elongation refers to the state, act, or process of lengthening

-  termination refers to the state, act, or process of reaching the end or bringing to an end.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."