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Questions and Answers
What is air pressure?
What is air pressure?
- The velocity of wind at sea level
- The force per unit area exerted by the weight of the atmosphere (correct)
- The temperature of the air at a given altitude
- The humidity level in the atmosphere
What primarily causes air pressure?
What primarily causes air pressure?
- The gravitational pull of the moon
- The motion, size, and number of air molecules (correct)
- The heat from the sun
- The Earth's magnetic field
How does air pressure change with altitude?
How does air pressure change with altitude?
- Remains constant with altitude
- Is only affected by temperature, not altitude
- Decreases as altitude increases (correct)
- Increases as altitude increases
What is a symptom of acute mountain sickness?
What is a symptom of acute mountain sickness?
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Why is air at high altitudes described as 'thin'?
Why is air at high altitudes described as 'thin'?
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