Methane,CO₂,and water vapor make up about 30% of the earth's troposphere.

Name: Methane,CO 2 ,and water vapor make up about 30% of the earth's troposphere.
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Methane, carbon dioxide (CO2), and water vapor are significant greenhouse gases, but they do not make up about 30% of the Earth's troposphere. The troposphere is primarily composed of nitrogen (about 78%) and oxygen (about 21%), with these greenhouse gases making up a much smaller percentage.

Methane,CO2,and Water Vapor Make Up About 30% of the Earth's

Methane,CO₂,and Water Vapor Make Up About 30% of the Earth's