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When younger sedimentary strata overlie an eroded surface of older metamorphic or intrusive igneous rocks, this is called a(n) ________.

The________ isotopes in the hard skeletons of corals are an important paleothermometer.

Chesapeake Bay and Delaware Bay are ________.

The thickest and most extensive loess deposits on earth occur in ________.

Ozone, another important component of the atmosphere is concentrated in the ________.

One half of the atmosphere lies below an altitude of ________.

Climate is a description of the ________.

Seafloor sediments are very important in discovering paleoclimate because they ________.

Which one of the following would probably NOT affect the size and depth of a blowout?

The hotter the radiating body, ________.