By how many degrees Celsius per 100 m does temperature typically fall with altitude?

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Multiple Choice

By how many degrees Celsius per 100 m does temperature typically fall with altitude?

Explanation:
Temperature generally falls with altitude because air becomes less dense and can hold less heat. In the lower atmosphere, the standard environmental lapse rate is about 6.5°C per 1,000 meters, which is roughly 0.65°C per 100 meters. This is commonly rounded to 0.6°C per 100 meters, making it the best match. Other values are outside the typical range: 0.8°C per 100 m is steeper than average, 1.0°C per 100 m is much steeper, and 0.3°C per 100 m is too shallow for normal conditions.

Temperature generally falls with altitude because air becomes less dense and can hold less heat. In the lower atmosphere, the standard environmental lapse rate is about 6.5°C per 1,000 meters, which is roughly 0.65°C per 100 meters. This is commonly rounded to 0.6°C per 100 meters, making it the best match. Other values are outside the typical range: 0.8°C per 100 m is steeper than average, 1.0°C per 100 m is much steeper, and 0.3°C per 100 m is too shallow for normal conditions.

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