Question

approximately 70% of the earths surface is covered by the * 1 point
oceans
crust
moho
mantle

the scientific study of the origin, history, and structure of earth. * 1 point
astronomy
oceanography
geology
meteorology

a marine (water) biologist * 1 point
geology
oceanography
meteorology
astronomy

Explanation:

1. It is a well - known fact that about 70% of the Earth's surface is covered by oceans.
2. Geology is the scientific study of the origin, history, and structure of Earth.
3. A marine (water) biologist studies life in the oceans, which is related to oceanography.

Answer:

1. oceans
2. geology
3. oceanography