Question

Name two sources of sound ?​

Answer 1

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Sound sources can be divided into two types, natural and man-made. Examples of natural sources are: animals, wind, flowing streams, avalanches, and volcanoes. Examples of man-made sources are: airplanes, helicopters, road vehicles, trains, explosions, factories, and home appliances such as vacuum cleaners and fans.

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Answer 2

Answer:

Each vibrating body is a source of sound. We , the human being , produce sound when our vocal cords vibrate on blowing air through them by our lungs. Some animals like birds, frogs etc., also produce sound due to vibration of their vocal cords. But bees do not have the voice-boxes . They produce sound by moving their wings up and down very fast