What is meant by pollution?
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What is meant by pollution?
Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.
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Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.
Explanation:
Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.
Pollution is a global problem. Although urban areas are usually more polluted than the countryside, pollution can spread to remote places where no people live.
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