Earth's magnetic field
A. has reversed itself many times.
B. is centered at Earth's core.
C. never appreciably changes.
D. both B and C
Answer: A
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Warlpiri rampaku is a(n)
A) institutionalized language. B) creolized language. C) scheduled language. D) part of the Received Pronunciation standards. E) extinct language.
Climate change involves
A. changes in precipitation. B. decreasing temperatures. C. increasing temperatures. D. All of the above.
A mean annual temperature of ____________________ oC (64.4oF) is used in the Köppen system to distinguish between low-latitude and middle-latitude deserts and steppes
Fill in the blank(s) with correct word
Permafrost is a good place to build because the temperature of the ground does not change
Indicate whether the statement is true or false