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प्रश्न
How can we reduce air pollution?
थोडक्यात उत्तर
उत्तर
Air pollution can be reduced by the following steps.
- Alternative sources of energy (E.g. Solar energy) should be used.
- Air filters should be used to prevent harmful gases from mixing with air.
- Smoke emission tests and certification of motor vehicles must be enforced.
- More trees should be planted to absorb carbon dioxide.
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