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The geocentric model was developed during the time of the ancient Greeks. This model ________.

An impermeable layer of rock or sediment is termed a(n) ________ in hydrogeologic contexts.

Any place where groundwater naturally flows out of Earth’s surface is termed a(n) ________.

High tide will be ________ during a full moon than normally.

A(n) ________ aquifer is more likely to be contaminated than a(n) ________ aquifer.

The outer edge of a meander, where material is being eroded, is a(n) ________.

With the increased data collected in recent years, scientists have become increasingly certain that Earth’s climate is ________.

Which greenhouse gas has the greatest total importance in retaining radiant energy from Earth?

A light year is a unit that measures ________.

Compared to typical oceanic lithosphere, the thickness of continental lithosphere is________.