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1. what are the different ways in which gases gets contaminated ??
2. explain circumstances leading to acid rain . How does acid rain affect us ??
3. Describe the ‘Greenhouse effect’ in your own words.
4. what is global warming ? state its effect ??
5. what is ozone layer ? who damages it ??
1. what are the different ways in which gases gets contaminated ??
2. explain circumstances leading to acid rain . How does acid rain affect us ??
3. Describe the ‘Greenhouse effect’ in your own words.
4. what is global warming ? state its effect ??
5. what is ozone layer ? who damages it ??
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