Playas that receive most of their water from surface runoff typically have a smooth clay surface, sometimes called a(n) _______________, that is hard when dried out by the desert sun but extremely gooey and slippery when wet. (two words)
Fill in the blank(s) with correct word
clay pan
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Force applied to a given area is known as ____________________. Fill in the blank(s) with the appropriate word(s)
The primary advantage of hydropower is that it ________
A) is the most economically feasible of all the renewable energy resources B) produces no environmental effects C) is widely available to all countries D) does not rely on fossil fuel to generate electricity E) is the oldest of the renewable energy resources
Landscapes in a dynamic equilibrium show ongoing adaptations to ongoing changes occurring in a landscape
Indicate whether the statement is true or false
Permafrost is a serious issue for human settlement and survival in the Far North. What causes permafrost and why does it pose problems for continuous settlement in northern Canada and Alaska?
What will be an ideal response?