This was not a prominent gas in the Earth's early atmosphere

A) methane.
B) ammonia.
C) hydrogen.
D) helium.
E) oxygen.


E

Environmental & Atmospheric Sciences

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Which of the following is the least abundant natural greenhouse gas?

A) oxygen B) nitrogen C) methane D) water vapor E) chlorofluorocarbons

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If the Kemper coal plant is finished, mining of which of the following will increase in the region?

What will be an ideal response?

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Without the greenhouse effect, the planet would be a frozen, uninhabitable place.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Which of the following gases has the greatest global warming potential (GWP)?

A) CH4 B) O3 C) N2O D) CFC E) CO2

Environmental & Atmospheric Sciences