Brick, tile, cement factories,etc.emit pollution like carbon dioxide, sulfur dioxide, dust smoke. pollution degrades the the surrounding physical environment. unnecessary activites of man also degrades our surrounding and our environment. when man use unnecessary things to fulfill their demand and facilites pollution creat. we use different vehicals for thier facilites, the smoke comes from vehicals create pollution and harms our environment. when we use chemical fertilizer and pesticides in field, it mix with the sources of water like-: river, pond, underground sources of water. pollution is created by big industries also. Dirty water of drainage emitted from factries mixed in the sources of water. Becauses of it water get polluted. Big factries only not helps in water pollution, it also helps in air pollution. Because dust,smoke, poisonous and harmful gas is also emitted by industries which helps in air pollution.
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