question and answer of science class 8th chapter13
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Q7 your parents are going to buy a house they have been offered one on the roadside and another three lanes away from the roadside which house would you suggest your parents should buy by Express plane your answer.
I would suggest my parents to take the house which is three lanes away from the roadside rather than taking the house next to roadside as there will be more noise in the road side house coming. From the sound of vehicle.
Q12 sketch of larynx and explain its function in your own words .
larynx is a part of throat it consists of two stretched membrane with small gap between them as air passes through the larynx the membranes or vocal cords vibrate and produce sound that is why larynx is also known as sound box or voice box
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