Rising air expands and cools. If the air mass cools below its dew point temperature, the air mass
A) reaches 100% relative humidity, and water vapor evaporates.
B) reaches 100% relative humidity, and water vapor may condense to form clouds.
C) stops moving upward and relative humidity climbs to 100%.
D) continues to cool at the environmental lapse rate.
Answer: B
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scratch created when testing a mineral for hardness color of a powdered mineral a mineral's best-developed cleavage direction