The answer is #4. The first and second one involve acid, which is chemical weathering. The third one involves oxidation, which is a chemical process. The only mechanical process is option four.
Answer:
it's called transpiration when stomata opens and release extra water
<span>D.It has affected the fates of a space probe and a commercial airline flight.</span>
3.24a khbbddhufbvbncyhncfnfghvvxdggnhk
