Explain how the presence of glaciers on the planet affects the albedo of the land surface. How will the albedo change as glaciers melt? What will this mean for the climate?
What will be an ideal response?
Answer: Glacial ice is very reflective, which means that it will have a high albedo. Since a high albedo will result in a great deal of solar radiation being reflected back out into space, temperatures stay cool. As glacial ice melts, the albedo gets lower and the ground absorbs more solar radiation. The rocks stay warmer for longer, and the result is a warmer climate. This process will start a positive feedback loop for warming climates.
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A 2500-N pile driver ram falls 10 m and drives a post 0.1 m into the ground. The average impact force on the ram is
A) 2500 N. B) 25,000 N. C) 250,000 N. D) 2,500,000 N.
Langmuir circulation consists of slowly twisting cells of windows, or convergences where seaweed, debris, and foam
accumulate, that operates in the surface layer, as well as below the pycnocline. a. True b. False
"Sweet" and "fresh" water are distinguished from each other on the basis of taste. Indicate whether the statement is true or false
The neritic zone is where the land and ocean meet and overlap
Indicate whether the statement is true or false