Question

What is noise pollution?

Noise that is not heard

Noise that only animals can hear

Extra noise we hear

Noise from a tea kettle

Answer 1

Noise pollution refers to excessive or harmful levels of noise that disrupt the normal acoustic environment. It typically involves unwanted or harmful sounds produced by various sources, such as traffic, industrial activities, construction, loud music, and other human activities. Therefore, the closest option to define noise pollution from your provided list would be:

**Extra noise we hear.**