60. The dew point is reached when the __

• 2024-01-21 17:46:43
• 复习三

60. The dew point is reached when the __

A.

A. temperature of the air equals the temperature of the seawater

B.

B. atmospheric pressure is 14. 7 lbs. per square inch

C.

C. relative humidity reaches 50%

D.

D. air becomes saturated with water vapor

正确答案是D

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