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Thermohaline circulation carries ________ water from the poles to the equator, where the water becomes ________.

In the figure below, which letters represent the crest and trough?

Saline ocean water is ________ dense than fresh water and provides ________ buoyancy to objects floating in it.

Cleavage in minerals refers to ________.

The primary stream fed by tributaries within a dendritic drainage network is termed a ________ stream.

In ancient Greece, Eratosthenes measured the difference in angles of the Sun’s rays in two different locations in Egypt at the same time to calculate the ________.

In the heliocentric model ________.

Wegener’s idea of continental drift was rejected by American geologists because ________.

By far the most common elements in the Universe and in our Solar System are ________.

A “bird’s foot” delta configuration, similar to that of the Mississippi River delta, forms when the ________.