When did we first obtain large amounts of data and details about the sea floor?
A. 1820s
B. 1780s
C. 1980s
D. 1940s
E. 1910s
Answer: D
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Compared to concentrated solar thermal power facilities and hydroelectric dams, wind farms ________
A) can be placed anywhere B) cause less habitat disturbance C) do not involve the use of turbines D) are very expensive to build
Suppose the global community came to an agreement to reduce CO2 emissions that had the same impact as the Montreal Protocol had for CFCs. Predict how CO2 levels would change over the next several decades.
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Indicate whether the statement is true of false.