The Graph Below Shows the Atmospheric Pressure, in Millibars of Mercury

question 9

Multiple Choice

The graph below shows the atmospheric pressure, in millibars of mercury, as a function of altitude in meters.According to the graph, which of the following sentences best describes the relationship between pressure and altitude? ​ ​
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• A) Pressure decreases with altitude, but at higher altitudes a small change in altitude makes relatively little difference in pressure.
• B) Pressure decreases at an increasing rate as altitude increases.
• C) Pressure is concave down with respect to altitude.
• D) As altitude increases pressure does not change.

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