When temperatures are below freezing, the temperature at which air becomes saturated leading to the formation of frost is the
A) dew point.
B) frost point.
C) absolute humidity.
D) relative humidity.
B
Environmental & Atmospheric Sciences
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Critical Thinking
In the accompanying figure, which U.S. expenditure in 2008 is equal to the amount of money needed to protect tropical forests?
What will be an ideal response?
Environmental & Atmospheric Sciences
Which is an igneous rock?
- Basalt
- Quartz
- Limestone
- Marble
Environmental & Atmospheric Sciences
The type of rock shown in this photograph is
A. sandstone. B. breccia. C. conglomerate. D. shale.
Environmental & Atmospheric Sciences
A parcel of saturated air at 20°C would have approximately ________ times ________ water vapor than saturated air at 0°C.
A. 20; more B. 20; less C. 5; more D. 5; less
Environmental & Atmospheric Sciences