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Tanvi T from Arsha Vidya Mandir, Chennai
Subject :NSO    Class : Class 5

What should a car-driver do to reduce the pollution caused by his car?


ARun car on diesel instead of petrol.
BUse catalytic converter in car.
CTie plastic bag around the exhaust pipe.
DNone of these


too much to expect me to know what a catalytic converter..

Ans 1:

Siddhi from Cambridge Court High School, Jaipur
Class : Class 5
OK thanks to tell my mistake especially in this question which was confusing and nice too..

Ans 2:

sai ramakrishna GUDIMETLA  from AMM MATRICULATION HIGHER SECONDARY SCHOOL, Chennai
Class : Class 5

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