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1 percent of the earths atmosphere is made of the following:

- Argon (0.93%)

- Carbon dioxide (0.03%)

- Neon> trace

- Helium> trace

- Methane> trace

- Krypton> trace

- Xenon> trace

- Hydrogen> trace

- Ozone> trace

21% of earths atmosphere is made of oxygen

78% of earths atmosphere is made of nitrogen

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Q: What makes up 1 percent of Earth's atmosphere?
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