ATMOSPHERIC GASES
Nitrogen- 78.1percent
Oxygen- 20.9percent
Argon- 0.9percent
Neon- 0.002percent
Helium- 0.0005percent
Krypton- 0.0001percent
Hydrogen- 0.00005percent
YOU ARE READING
Did you know ?
Random'Did you know' is a fact book, facts about science, history, astronomy, psychology etc with the inclusion of a fun fact at the end. All credit goes to the the scientists and researchers who spent hours to discover these facts also the crazy minds w...