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What percent of the solar energy reaching the top of the atmosphere passes through the atmosphere and is absorbed at Earth’s surface?

Who made the first clear statement of the law of superposition? When?

Chesapeake Bay and Delaware Bay are ________.

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

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

Types of climate-feedback mechanisms consist of ________.

What are the solid and liquid particles suspended within the atmosphere called?

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

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

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