(a) What is pollution? Name any two types of pollution. How do they affect our health?
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pollutioncan be difinedas an undesirable changeinthe physical chemical or biological characteristics of the air water or land that can affect on our health
ex smoke from factory
ex smoke from factory
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The action of making the air,wateretc dirty and dangerous.
Types of pollution:
Water pollution
Air pollution
Land pollution
Noise pollution etc.
The health effects caused by pollution may include difficulty in breathing,wheezing,athma etc
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