What are Atmospheric Gases? July 6, 2016 Definition Atmospheric gases are gases located in the Earth’s atmosphere. These gases primarily include oxygen and nitrogen (making up 99% of the air); though greenhouse gases (carbon dioxide, methane, nitrous oxide, water vapor and ozone) make up 1% of the air. Want to Know More While nitrogen and oxygen are transferred between the atmosphere and the Earth, greenhouse gases take longer to leave and thus tend to build up more quickly. This leads to climate change and global…
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