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10. What happens to atmospheric pressure as a person rises in altitude?
O A. It decreases
O B. It's unaffected by changes in altitude,
O C. It increases
OD. It changes based on the time of year.
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zeesshanmalik

Answer: A: Decreases

Explanation: The pressure is the ratio of the weight of the air to unit area. So, as the height increases, the pressure decreases.
The answer is a as it decreases when someone rises in altitude

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