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NCERT Exemplar Solutions Class 7 Science Solutions for Heat - Exercise in Chapter 4 - Heat

Question 5 Heat - Exercise

A beggar wrapped himself with a few layers of newspaper on a cold winter night. This helped him to keep himself warm because

Answer:

(b) air trapped between the layers of newspaper is a bad conductor of heat.

Explanation:

Heat from his body would not escape into surroundings this will help him to keep his body warm.

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