Question

Explain the difference between pure air and polluted air.

Answer 1

Differences between pure air and polluted air:

Pure Air:

• Pure air contains around 78% nitrogen, 21% oxygen, and 0.03% carbon dioxide also small amounts of argon, methane, ozone, and water vapours.
• Smog is not present.
• Not harmful for human beings

polluted air:

• Polluted air includes gases like sulfur dioxide, nitrogen dioxide, carbon dioxide, etc. and other particulate matter.
• Smog can be present.
• Harmful for human beings as cause diseases like asthma