Which Is True About the Air at a High Altitude

question 36

Multiple Choice

Which is true about the air at a high altitude versus the air at a lower altitude?

• A)Air contains a higher number of nitrogen molecules at higher altitudes.
• B)There are fewer overall molecules of air at high altitude.
• C)The percent of each gas present in air changes from high to low altitude.
• D)The number of ozone molecules at high altitude is higher than at low altitude because the ozone layer is closer.

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