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प्रश्न
What is pollution? Define.
उत्तर
Pollution may be described as the unfavourable alteration of our surroundings which occurs mainly because of human activities. Pollution created by waste accumulation is mainly of three types – air pollution, water pollution and soil pollution.
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संबंधित प्रश्न
State one source of gaseous waste.
How does waste accumulation affect the environment?
Mention two effects of acid rain
What was the cause of the following?
The Bhopal tragedy
Trees must be planted in the industrial areas.
Chemical fertilizers must be replaced by organic manure
State the main objective of the treatment of gaseous waste.
Explain the stages involved in secondary treatment of water.
Name two common diseases caused as a result of gaseous pollution.
Why are landfills set up far away from the city? (Any two reasons)
