Which of the following statements is true regarding the relationship between air pressure and altitude?
A. as one moves lower in the atmosphere, pressure decreases, as one moves closer to the earth's surface, pressure increases
B. as one moves up in the atmosphere, pressure decreases, as one moves closer to the earth's surface, pressure increases
C. as one moves lower in the atmosphere, pressure decreases, as one moves closer to the earth's surface, pressure decreases
D. as one moves up in the atmosphere, pressure increases, as one moves closer to the earth's surface, pressure increases
Answer: B
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