As water flows underground, it slowly dissolves rock, forming a cave. This describes what process? A
deposition

B
chemical weathering

C
mechanical weathering

Nitrogen-14 and nitrogen-15 are isotopes of the same element. how do these two isotopes differ? a. they have different numbers of nuclei. b. they have different numbers of protons. c. they have different numbers of neutrons. d. they have different numbers of electrons.