What is a compound? A. the center of an atom that is formed by neutrons, protons, and electrons
B. a tiny particle that makes up all matter
C. a molecule that is formed from two or more different types of atoms.
D. a molecule that is formed from the same type of atoms

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere