Based on the energy pyramind seen here, which group of organisms is the primary consumer?

a) predator fish

b) birds and mammals

c) insects and zooplankton

the answer is c)insects and zooplankton

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