What does it mean when atmospheric pressure is low?

Question:

What does it mean when atmospheric pressure is low?

Answer and Explanation:

Atmospheric pressure is low when the air is less in quantity; in simple words, you can say that the molecules of air are less in number. Naturally, in such a condition, there will be less air to breathe.

Conditions like mountain sickness and hypoxia can occur when the atmospheric pressure is low. Note that atmospheric pressure is low in the mountains. There, the air is less because there are fewer floras, so it exerts less pressure. Atmospheric pressure is highest at sea level.


Learn more about this topic:

What is Atmosphere? - Layers, Gases & Pressure

from College Earth Science: Help and Review

Chapter 4 / Lesson 7
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