Current data from satellite measurements of temperature in the troposphere, despite errors in early data, reveal
A) remarkable agreement with surface temperatures.
B) sharp differences with surface temperatures.
C) no correlation between temperature and levels of greenhouse gases.
D) a general cooling of global atmospheric temperatures.
Answer: A) remarkable agreement with surface temperatures.
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What will be an ideal response?
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A. only to the differences in the amount of light different stars emit. B. only to the differences in the distances of stars from us. C. both of these differences indicated. D. None of these answers.
A certain crate sits on a rough floor. You find that you have to apply a horizontal force of 200 N to get the crate moving. If you put some massive objects in the crate so that its mass is doubled, how much force does it take to get the crate moving now?
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