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in Environmental Engineering by (81.4k points)
What would have been the average temperature of Earth without greenhouse gases?

(a) 0^oC

(b) -7^oC

(c) -9^oC

(d) -19^oC

The question was posed to me in an online quiz.

This intriguing question originated from Climate Model topic in chapter Atmosphere & Greenhouse Gases of Environmental Engineering

1 Answer

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Best answer
Correct answer is (d) -19^oC

Best explanation: Without greenhouse gases, the Earth’s average temperature (currently about 14^oC), would have been 33^oC less.

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