The Pressure in the Atmosphere of Earth (Or of Any

question 94

Multiple Choice

The pressure in the atmosphere of Earth (or of any other planet) is related to altitude above the planet's surface in what characteristic way?

• A) The pressure remains constant with increasing altitude.
• B) The pressure decreases by a fixed fraction of each interval of altitude (down by half every 5.5 km on Earth).
• C) The pressure decreases and increases several times with increasing altitude, following the temperature variation.
• D) The pressure decreases by a fixed amount per unit altitude interval (20% of surface pressure every 5.5 km on Earth).

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