Answer:
Why is gravity so weird? No force is more familiar than gravity — it's what keeps our feet on the ground, after all. And Einstein's theory of general relativity gives a mathematical formulation for gravity, describing it as a “warping” of space.
I don't know I guess its the plate tectonics
<span>Metamorphic rock undergoes weathering, erosion; the particles are deposited and undergo lithification.</span>
Looks like you need to review through the lesson and take notes as it tells you in the lesson what each of these are.