Describe the path of nitrogen through its bio geochemical cycle?

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101

i would think a oil tanker that has leaked in a bay

i believe your answer would be phagocytosis