What happens to air pressure as altitude decreases?
A. air pressure decreases
B. air pressure increases
C. air pressure stays the same
D. air pressure mixes

B. air pressure increases

Explanation:

Think of it like this, the lower you are, the more air is above you. The higher ur elevation, the less air above you. I hope this can help!

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.