English, asked by pratibhapradhan, 10 months ago

write an article on pollution​

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Answered by bindidevi002
1

Explanation:

Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] 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. Pollution is often classed as point source or nonpoint source pollution. In 2015, pollution killed 9 million people in the world.[2][3]

Major forms of pollution include: Air pollution, light pollution, littering, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, water pollution.

Answered by Jiyeahhh
0

Answer:

Cities tackling one major air pollutant risk inadvertently making things worse by fuelling the growth of another, potentially more harmful type of pollution.

Many urban areas around the world are in breach of World Health Organization guidelines on PM2.5, particulate matter with a maximum diameter of 2.5 micrometres. Vehicles are a common source of this kind of pollution.

But simply reducing levels of PM2.5 pollution may not improve the safety of urban air. A Chinese-US team has found that PM2.5 plays a key role in suppressing the formation of another type of pollution in built-up areas – “ultrafine particles”. These have a diameter of under 50 nanometres, and an emerging body of work has linked them to health concerns including birth defects.

For more info... you can go to news scientist website

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Explanation:

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