Read the paragraph and answer the questions. Although, sound is important in our lives, noise is not

Read the paragraph and answer the questions. Although, sound is important in our lives, noise is not. The sound that is unpleasant for the ears is noise. Noise pollution generally happens with normal activities, for example, speaking or sleeping. This type of pollution can also reduce the quality of life. It is not the problem only for people, it is also harmful for the world`s whale population. These mammals use their ears more than their eyes. They make sounds and communicate. It also helps them prevent from becoming lost during migration. However, with today`s heavy and regular ship traffic, these majestic creatures are suffering. What causes the noise pollution? What are the consequences of it?