The cement factories emit dust and smoke which contains carbon, metals and other solid materials that pollute the _______.

Water

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Land

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Air

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None of these

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Solution

The correct option is C Air
Factories are a major cause of air pollution an need to be checked regularly so that they follow environmental regulation policies.

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The cement factories emit dust and smoke which contains carbon, metals and other solid materials that pollute the _______.

The correct option is C AirFactories are a major cause of air pollution an need to be checked regularly so that they follow environmental regulation policies.

The correct option is C Air
Factories are a major cause of air pollution an need to be checked regularly so that they follow environmental regulation policies.