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Question
Global average air temperatures worldwideA) have appeared to stabilize after a century of increase.
B) are at present demonstrating no apparent trend one way or another.
C) are being influenced by human-induced changes in the greenhouse effect.
D) are generally lower than 20 years ago.
Answer
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Related questions
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The basis for defining the length of a day is the fact that
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B) Earth moves through 365.25 days a year in its orbit about the Sun.
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A) place memorization.
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A) that always corresponds to a great circle.
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