Question

c) We blow air to cool hot things and to warm cool things. How is it possible?
Give examples.
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Answer 1

Answer:

Example, when we blow to cool hot things:

(i) A cup of tea (ii) any hot food etc.

Example, when we blow to warm a cold thing:

Our hands in the winters.

Answer 2

Answer:

We blow air to cool hot things by keeping it at a distance. example- cooling hot boiled potato

We blow air to warm cool things by placing it near our mouth. example- we blow air to warm our hands during winter.