How do glacial lakes form?
What will be an ideal response?
Answer: Glacial lakes form by the scouring of a depression by, and subsequent melting of, a glacier.
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What is a metropolitan statistical area?
What will be an ideal response?
Which water mass is characterized by increasing density with deeper depths?
A) Surface zone B) Deep zone C) Pycnocline zone D) Mixed layer
Wind is included along with gravity, water, and ice as an agent of erosion. In many national parks and other areas of natural beauty, statements are often made that credit wind with having sculpted the landscape
Briefly discuss the importance of wind as an agent of erosion and explain why such statements are probably geologically inaccurate. What will be an ideal response?
Which step would be most likely to have the greatest effect on improving outdoor air pollution?
A) drastic reduction in the use of aerosol cans B) drastic reduction in cigarette smoking C) drastic reduction in radon emissions D) significant reduction in automobile use E) drastic reduction in burning firewood