Other than CO2, which greenhouse gas is emitted from the melting of permafrost in the tundra?

A. methane
B. nitrous oxide
C. ozone
D. sulfur dioxide


Answer: A

Environmental & Atmospheric Sciences

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Milankovitch cycles include Earth's

A) obliquity. B) orbital eccentricity. C) precession. D) all of the above E) none of the above

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________ elements make up 98% of the Earth's crust.

A. Twenty B. Eight C. Ninety-two D. Fourteen E. Two

Environmental & Atmospheric Sciences

Siddhartha Gautama, the Buddha, was born into a wealthy family in northern India

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The rise of atmospheric carbon dioxide levels over the last century is largely due to the burning of fossil fuels

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences