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The lithospheric plates are believed to be put into motion by the driving force of ______________ cells in the asthenosphere.

When an earthquake occurs, the location on Earth’s surface above the point of initial energy release is called the earthquake’s

Geologists have principally used which class of rocks to establish the relative time scale?

Wind moves from ___________ pressure areas to _____________ pressure areas.

Winter in the Southern Hemisphere begins at the __________.

Hardness is a comparative property that refers to the ability of a mineral to resist

The first 87% of geologic time is often called

That each successive layer of sediments is deposited on top of the previous layer, and hence is younger than the lower layer, is a statement of the

Metamorphism occurs for which class of rocks?

Which of the following radionuclides is used to date once-living material?