Noise
The world has become a polluted place . One kind of pollution is sound pollution or noise . There are different reasons for noise .Factory machines and cars in the streets , trains , jetplanes , musiec as well as home appliances cause a lot of noise .
Noise is very dangerons. It can cause deafness. In addition, it makes people less efficient. It con also cause many health problems. It also makes life difficnult and unpleasant.
Countries have made many laws to reduce noise. For example there are laws to control the level of noise made by machines. Governmeuts have spent a lot of money to make airports and main roads quieter. People must also try to reduce noise homes.
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