Pronunciation of the English word nitrogen.
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1. | Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and 0.9% argon. The other 0.1% consists of water vapor, carbon dioxide, neon, methane, krypton, helium, xenon, hydrogen, nitrous oxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, and ozone. | |
2. | The air we breathe consists of oxygen and nitrogen. | |
3. | There are several irregularities in the nitrogen cycle. | |
4. | Hydrogen, carbon, nitrogen, phosphorus, oxygen, sulfur and selenium are nonmetals. | |
5. | The atmosphere mostly consists of nitrogen and oxygen. | |
6. | Over 95% of Titan's atmosphere is nitrogen. | |
7. | The air mainly consists of oxygen and nitrogen. | |
8. | Air is mainly composed of nitrogen and oxygen. | |
9. | Organic chicken manure is high in nitrogen. | |
10. | Air is composed mainly of nitrogen and oxygen. |