Answer:
weathering of course but it could also be any of the others still I'm going with weathering. ps love your profile.
the answer is tectonic plates
After studying the photograph above, the chemical formula that will show the composition for the most common mineral that will be found in the rock unit 3 is CaMg (CO3)2. I can't seem to make my keyboard make the numbers smaller. So 3 and 2 should be very small. Sorry about that. I tried to paste the numbers, but it wouldn't let me.
