Discover the Earth's atmosphere: what it is and what it is made of.
- Earth's atmosphere is an ideal blend of gases that supports life.
- Earth's atmosphere is made-up of Nitrogen, oxygen and other greenhouse gases, such as carbon dioxide and methane.
- Greenhouse gases trap heat at the Earth's surface.
The Atmosphere = layers of gases surrounding the Earth
10,000KM thick – over 1000 x height of Mount Everest
Earth's atmosphere is made up of:
78% nitrogen (N2)
21% oxygen (O2)
1% other gases
And also greenhouse gases, including:
Carbon dioxide (CO2)
Water vapor (H2O)
Nitrous oxide (N2O)
Earth's atmosphere is an ...
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