What is the composition of air in the atmosphere?
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Answer:
1. The composition of the atmosphere air consists of four major gases, namely nitrogen, oxygen, argon, and carbon dioxide.
2. Other substances are present in the air are of very small amounts, and that's the reason, they are known as trace components.
3. Atmospheric air consists of certain elements in a specific ratio, these are the major constituents of air.
- Sulfur dioxide ( SO2) – 1.0 ppm
- Methane (CH4 )2.0 ppm
- Nitrous oxide ( N2O) – 0.5 ppm
- Ozone ( O3) 0 to 0.07 ppm
- Nitrogen dioxide ( NO2) – 0.02 ppm
4. Apart from these, there are many other gases that make up our atmosphere like sulfur, neon, helium.
5. Often, the properties of the above-mentioned major constituents of air vary with different factors such as altitude, temperature, and air pressure.
Answer:
Earth's atmosphere is composed of about 78 percent nitrogen, 21 percent oxygen, 0.9 percent argon, and 0.1 percent other gases. Trace amounts of carbon dioxide, methane, water vapor, and neon are some of the other gases that make up the remaining 0.1 percent.
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