Question

1
5. Name the three types of musical instruments. How is sound produced in each type?
7. List four ill effects that noise pollution has on us.
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Answer 1

Answer:

5. The three types of musical instruments are like tuning fork they produce sound when they struck by another object, another is the human sound because our larnx produce sound when vibrates,and last one is the musical instruments like tabla produce sound when beats.

7. Unwanted sound (noise) can damage physiological health. Noise pollution is associated with several health conditions, including cardiovascular disorders, hypertension, high stress levels, tinnitus, hearing loss, sleep disturbances, and other harmful and disturbing effects.

Explanation:

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Answer 2

Answer:

5.) There are three families of musical instruments - string, wind and percussion. When a string is plucked on an instrument such as a guitar, the vibration is passed into the air and you hear a sound.

7.) 1. Hearing loss. The most obvious effect is noise-induced hearing loss.

2. Reduced brainpower.

3. Cardiovascular problems.

4. Sleep problems.