What is the answer to this question if anybody knows i’m really finding it confusing

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

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