Answer:
1) weathering is the process of something wearing away and breaking into smaller pieces, erosion is where things like water, wind, ice and gravity wear away rocks and soil and moves it from one location to another.
2) chemical weathering is when the rock changes a mineral and mechanical weathering is when it changes physically, like breaking into smaller pieces
4) when sheets of rocks peel away
Explanation:
I would say medicine that makes the immune system less effective so the likelihood of the immune system attaching the organ are decreased. Or the last option.
The first one is C. Varying in shapes of forelimbs
The second one is B. Enable members of a phylum to survive and reproduce.
The third one is B. Deuterostome development
The Nazca Plate is a oceanic tectonic plate which is responsible for the Andes mountain range
