Blog

Eratosthenes was the Greek astronomer, philosopher, and poet of Cyrene who _____.

Terrigenous sediments come from _____.

Which U.S. agency is responsible for oceanographic research related to national defense?

The Mid-Atlantic Ridge is a(n) _____.

_____forms mainly from shells of the amoeba-like foraminifera; small, drifting molluscs called pteropods; and tiny algae known as coccolithophores.

_____ sediments are minerals that have precipitated out of water.

_____ are one of the surface expressions of plumes of magma rising from relatively stationary sources of heat in the mantle.

Bathymetry is the _____.

The top of Mt. Everest, the world’s highest peak, is composed of _____.

The Mid-Atlantic Ridge _____.