What type of vegetable is this? Some think it’s kale but we’re not really sure.

answer; ///i do believe that the correct answer is (c) hold atoms together to form compound;

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?

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