The higher we go, the------------ is the air pressure.
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Answer:
option a) lesser
Air pressure is higher at lower altitudes. Air density is higher at lower altitudes. There is more space between air molecules at higher altitudes. There is less oxygen to breathe at the top of a high mountain than there is at sea level.
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lesser...
Increasing altitude decreases air pressure. In other words, they are an inverse relationship -- as one goes up, the other goes down. This is why when low-altitude dwellers like along the Coastlines travel to mountainous areas, they find it harder to breathe; the air is just thinner at high altitude.
As you go higher into the atmosphere, the air pressure gets lower and lower and air molecules get farther apart....
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