2. What is pollution? Mention the types of pollution?
Answers
Pollution is the introduction of contaminants into the natural environment that cause adverse change. Pollution can take the form of chemical substances or energy, such as noise, heat, or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
The three major types of pollution are air pollution, water pollution, and land pollution. Sometimes, air pollution is visible. A person can see dark smoke pour from the exhaust pipes of large trucks or factories, for example. More often, however, air pollution is invisible
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Answer:
Pollution causes man made disaster. The smoke is released from industries and chemical factories consists of carbon dioxide [Co2] , Carbon monoxide [Co] , and most harmful chemical waste causes pollution.
This pollution creates most hazard situations.
Types in pollution:
Air pollution :
☆The smoke produced from industries and factories.
☆This smoke mixes with atmospheric gases and creates air pollution.
☆This harmful gases depletes ozone which provides protection from UV rays from sun.
Soil pollution:
☆Soil is polluted by chemical fertilizers sprayed by farmers for pests and insects.
☆Fertilisers are made artificially by using chemicals.So, soil is polluted.
☆Soil is mixed with most dangerous chemical fertilizers for the purpose of soil fertility.
Water pollution :
☆Water pollution is caused by chemical waste are drained into large water bodies like seas,oceans, rivers, lakes etc.
☆Drainage is disposed to fresh water ecosystem.
☆The chemicals harm to the water animals like fishes, octopuses etc. Some times they may die by eating that materials.
Sound pollution:
☆Sound pollution is made by horns of vehicles, music with high volume, speaking louder with out any use.
☆Sound pollution may leads to deaf.