Currently, the greatest supply of natural gas in the United States is
A) associated with petroleum deposits.
B) in gas-rich shale.
C) obtained by chemically converting petroleum into methane.
D) in deposits of coal lying under Arizona and California.
B
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Forests cover about ____ of the United States.
A. 1/2 B. 1/3 C. 1/4 D. 1/5 E. 1/6
What was Sandy’s maximum recorded wind speed? How fast was it traveling on that day, in kilometers per hour? What was the maximum wind speed in the right-front quadrant (wind speed combined with traveling speed)? What would the total wind speed have been in the left-rear quadrant (wind speed minus traveling speed)?
What will be an ideal response?
Which of the following is reduction?
A) gain of electrons B) loss of hydrogen C) gain of oxygen D) none of these
Organisms with small bodies, extremely large mouths, and sharp teeth are likely to be found in the ________
A) bathypelagic zone B) epipelagic zone C) intertidal zone D) neritic province E) photic zone