Question

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Answer 1

Answer:

Explanation:

1.the presence in or introduction into the environment of a substance which has harmful or poisonous

2.The three major types of pollution are air pollution, water pollution, and land pollution. Sometimes, air pollution is visible.

3.Air pollution is caused by release of particulates, biological molecules or harmful gases into atmosphere, which causes death to humans and damage to living organisms like food crops. Water pollution occurs by the contamination of water bodies like lakes, rivers, oceans.

4.environmental pollution is caused by the introduction of harmful materials, such as gaseous pollutants, toxic metals, and particulate matter (PM) into the atmosphere; sewage, industrial effluents, agricultural runoffs, and electronic wastes into water bodies; and activities such as mining.

5.Reducing the use of water and chemical inputs;  Adoption of less environmentally harmful pesticides or cultivation of crop strains with natural resistance to pests. Protection of sensitive areas.

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