Which of the following is a valid statement about how rocks respond to stress?
A) If the stress is very high, the rock will be unchanged.
B) Stress can cause a rock to be displaced, but not rotated.
C) If a rock has strained, then it has changed its size or shape.
D) A rock can be displaced or strained but not both at the same time.
C) If a rock has strained, then it has changed its size or shape.
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The Ogallala Aquifer is a source of
A. minerals. B. magma. C. freshwater. D. salt water.
Electricity generation through urban waste incineration is an example of ________ power generation
Fill in the blank(s) with correct word
Tuvalu and the Maldives are in the international spotlight because they ________
A) are the largest emissions producers in their respective areas B) have exceeded the emissions reductions set by the Kyoto Protocol C) are accepting climate change refugees from other nations D) opposed China's proposals for global carbon neutrality at the Copenhagen Conference in 2009 E) may be among the first nations to be completely flooded by rising sea levels
Which of the following is not true of prairies?
a. Winds blow almost continuously. b. Evaporation is rapid. c. Fires in summer and fall are common. d. Prairies are typical of coastal regions of continents. e. Tree growth is hindered by fires and wind.