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  Question 9 Answer B
nighttime temperatures may increase, but daytime temperatures will not
Which of the following is not true about an increasing greenhouse effect?   b) nighttime temperatures may increase, but daytime temperatures will not

No, that is incorrect.

That statement is true. A warmer atmosphere will allow more humidity and water vapor (clouds) to form. Water vapor, especially white clouds, is powerful solar reflectors - they may even cool daytime temperatures slightly. Any warming, if it does occur, will likely occur as a decrease in the amount of nighttime temperature drop.

Similarly, it is the driest and coldest regions of the Earth that would notice the biggest change - places such as Siberia and Canada. Warmer winter nights in the Arctic Circle are a problem for no one or nothing.


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Produced with the assistance of Dr. Tim Ball & Tom Harris, B. Eng., M. Eng. (Mech.), Executive Director, International Climate Science Coalition.
CSCCC FCPP is a member of Civil Society Coalition on Climate Change.
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© Frontier Centre for Public Policy 2017.