Science, asked by mukesharya629, 5 months ago

.2. Fill in the blanks:
1.
Sound is produced by
Friction is reduced by using
2.

Answers

Answered by barsasatapathy774

1

Answer:

1. sound is produced by vibrations

Answered by HarinePriya

2

Answer:

Sound is produced when something vibrates.

By polishing the surface, as polishing makes the surface smooth and friction can be reduced..

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