F. Short-answer questions
1. What are the properties of air?
2. What is combustion?
3. What are fuels?
4. What is rusting?
5. Name a use of having dust in the air.
6. What is air pollution?
7. Name three ways in which air pollution
affects the health of living things.
Answers
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Answer:
Dust particles, often referred to as particulate matter ( PM), in the atmosphere arise from a wide variety of sources. Both the size and chemical composition vary ...
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