Which of the following statements is true regarding the relationship between air pressure and altitude?

A. As one moves up in the atmosphere, pressure decreases; as one moves closer to the earth's surface, pressure increases.
B. As one moves lower in the atmosphere, pressure decreases; as one moves closer to the earth's surface, pressure decreases.
C. As one moves lower in the atmosphere, pressure decreases; as one moves closer to the earth's surface, pressure increases.
D. As one moves up in the atmosphere, pressure increases; as one moves closer to the earth's surface, pressure increases.


Answer: A

Environmental & Atmospheric Sciences

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