Which of the following noises registers at around 85 decibels, the noise level at which stress responses usually start to develop?

A. Heavy city traffic
B. A chainsaw
C. A firecracker
D. An ambulance siren

Heavy city traffic

Explanation:

Noise pollution is caused by excessive and unwanted sound that causes the sound problem. The high level of heavy traffic, noise and disrupt distract. It affects the deleterious effect on the health and environmental quality. Most of the people think that this is the problem occurring with only those people who are living in big cities.

There are different type of resources that cause noise pollution:

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