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The approximate percentage of the Earth’s surface that is covered by water is about:

A lake formed within a cirque is called a(n):

Groundwater erupting from geysers that contain dissolved calcium carbonate will form deposits of:

The percentage of the Earth’s water that is fresh water that is not frozen is:

The approximate percentage of Earth’s water that is in the oceans is:

Narrow surface currents that flow in the same general direction as the approaching waves are:

When flow is restricted to long, trough-like depressions, the flow is known as ____________________ flow.

Vertical ocean circulation is the result of differences in what between adjacent water masses?

27. The author’s claim “I’ve got all the skills of our canine friends” (sentence 1 in paragraph 3) is

The crescent-shaped feature of meandering streams that is formed during a flooding event where the slender neck of land is cut off from the meander is called _____.