For electric generation in the United States, the main energy resource is

A) coal.
B) oil and natural gas.
C) wood.
D) solar energy.


Answer: A

Environmental & Atmospheric Sciences

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The effect of increased atmospheric carbon dioxide concentrations on plants

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According to the theory of isostasy, mantle rocks over long periods of time behave as:

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?Suppose that where you live, the middle of January is typically several degrees warmer than the rest of the month. If you forecast this "January thaw" for the middle of next January, you would have made a

a. ?forecast based on the analogue method. b. ?persistence forecast. c. ?forecast based on weather types. d. ?probability forecast. e. ?climatological forecast.

Environmental & Atmospheric Sciences