Which type ir organism converts wastes and dead materials into nutrients that can be used by plants

The answer is Decomposers.

If I assume correctly you r talking about different types of consumers. The type of consumers you r referring to are called decomposers.

examples include bacteria, worms, insects, and vultures

radon is correct hope this

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