LOTS OF POINTS!?!?!The amount of CO2 coming out of volcanoes is less than Type Here% of what goes into the atmosphere from burning fossil fuels. FILL IN THE TYPE HERE PART!?!?!?!

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

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

to this answer it would be edge enhancement