Environmental Science
Which of the following helps to explain why even though northern latitudes experience 24 hours of sunlight on June 22, they are not warmer than latitudes further south?

Solar energy is used to melt frozen soil in the northern latitudes
Some of the sun's energy is reflected by snow and ice in the northern latitudes
Solar energy is spread over a larger area in northern latitudes
Increased cloud cover reflects solar energy in the northern latitudes
All of these

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Environmental Science
Assuming that the night will remain clear, calm, and unsaturated, the predicted minimum temperature is 32oF. Suddenly the wind speed increases and remains gusty throughout the night. The minimum temperature will most likely be:

About the same as predicted but will occur earlier in the night
Higher than predicted due to mixing
Higher than predicted due to the release of latent heat
Much lower than predicted due to radiational cooling

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