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The order of the layers of the atmosphere from lowest to highest is:
troposphere, stratosphere, mesosphere, thermosphere
The most abundant gases in the earth's atmosphere by volume are:
*Not- carbon and nitrogen
*Not- oxygen and water vapor
In a volume of air near the earth's surface, ___ occupies 78 percent and ___ nearly 21 percent.
*Not- nitrogen, water vapor
*Not- oxygen, hydrogen
Typically, water vapor occupies about what percentage of the air's volume near the earth's surface?
*Not- about 21%
*Not- about 78%
*Not- close to 10%
The only substance near the earth's surface that is found naturally in the atmosphere as a solid, liquid and a gas is:
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