Choose the correct answer.

__________ is a measurement of how much water vapor is in the atmosphere.
A. Air pressure
B. Humidity
C. Rainfall
D. Fog
That's Correct!
It's Wrong!

Humidity is a measurement of how much water vapor is in the air.  

Rainfall and fog are caused when there are water droplets in the air, and air pressure is a measurement of the atmosphere’s weight pressing down on the Earth.

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Key Data

Questions
34
Grade
3, 4
Theme
Weather and Seasons
Passing score
80%

Progress

8 Incorrect
10 Correct
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