Describe the Faint Young Sun Paradox


Earth's early sun was only about 70-75% as luminous as it is now. If this is correct, Earth's surface should have been cold enough for all water to have frozen. However, there is evidence for liquid water during the Archean.

Environmental & Atmospheric Sciences

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Which of the following is a non-renewable energy source?

A. Uranium B. Trees C. sunshine D. river water

Environmental & Atmospheric Sciences

1500 UTC Convert the following time from UTC to the indicated U.S. time zones:

Environmental & Atmospheric Sciences

Which biome is diagrammed in the accompanying figure?

A) boreal forest B) desert C) chaparral D) tropical savanna E) tundra

Environmental & Atmospheric Sciences

Folding occurs when rocks are deformed as a result of compressional stress and shortening

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences