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Item WC075002: Both the amount of liquid water beneath the air and the temperature of the air affect the humidity of air.

Which of the following affects the amount of water vapor in the air as air moves over the surface of the earth?

  1. Both the amount of liquid water beneath the air and the temperature of the air affect the amount of water vapor in the air.
  2. The amount of liquid water beneath the air affects the amount of water vapor in the air, but the temperature of the air does not.
  3. The temperature of the air affects the amount of water vapor in the air, but the amount of liquid water beneath the air does not.
  4. Neither the amount of liquid water beneath the air nor the temperature of the air affects the amount of water vapor in the air.
Distribution of Responses
Chart showing distrubtion of responses for Item 075002
Students Responding Correctly
Group Correct Total Percent
Overall 605 1437 42%
Grades
  6–8 373 922 40%
  9–12 231 514 45%
Gender
  Male31374042%
  Female28467642%
Primary Language
  English541128142%
  Other5212641%

View data table

Disciplinary Core Ideas
ESS2.C Water continually cycles among land, ocean, and atmosphere via transpiration, evaporation, condensation and crystallization, and precipitation, as well as downhill flows on land.
Notes
NGSS does not explicitly address the relationship between air temperature and the amount of water vapor air can hold.