The foundations of the U.S. environmental movement of the 20th century are drawn from the ideas of
A) Sally Marston.
B) George Perkins Marsh.
C) Carl Sauer.
D) Teddy Roosevelt.
E) Karl Marx.
Answer: B
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Many aquifers, including the Ogallala aquifer, are nonrenewable on a human timescale. Should removal of this water be treated in the same fashion as mining other resources? What steps should be taken to control the removal of a nonrenewable resource such as this?
What will be an ideal response?
_______________ is soil containing frozen groundwater
Fill in the blank with correct word.
Farmers have filled in over 90% of natural wetlands. What has been the result?
A. increased flooding potential B. decreased runoff to streams C. decreased pollution to streams D. increased aquifer discharge
Which of the following is NOT a property of water?
a. It expands when it freezes. b. It contracts when it freezes. c. It can store large amounts of heat without changing its own temperature. d. It can adhere to a solid surface. e. It can exist as a solid, liquid or gas. BLOOM'S TAXONOMY: