Question

b. Carbon dioxide to hydrogen
whics of the following does air contain besides nitrogen, oxygen and carbon dioxide
argon .
b. water vapor t dust particles d. all of these
used by plants during respiration?​

Answer 1

Answer:

1. By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

2. Air is a mixture and not a compound. This is because air consists of indefinite composition of different gases and this composition can vary from place to place. Moreover, the different gases present in air show their individual properties which suggests that air is not a compound

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