Which supports the theory that some mountains were once at the bottom of the ocean? A. there are underwater mountains on the ocean floor today
B. freshwater rivers flow to the ocean
C. fossils of marine organisms are found at the top of some mountains D both mountains and Ocean Floors have similar mineral in their Rock​

Giga is the second highest prefix on the normal scale, the first is terra.

U. life is what you go through to become a better person. it makes you stronger, wiser, and more creative. it can be hard but its ok. because i believe everyone was put here for a reason. whether or not you know that reason you should always look towards the future and trust in god for a better tomorrow.be safe and blessed