On a very cold morning, Boojho and Paheli were talking with each other as they walked down to their school. They observed that the air coming out of their mouth looked like smoke. They were amused and wondered how it happened. Help them find the answer.

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Solution

On a cold day, the air coming out of our mouth gets condensed into mist because of the cold air of the atmosphere.

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Question 20

On a Sunday morning Paheli’s friend visited her home. She
wanted to see some flowering plants in the nearby garden.
Both of them went to the garden. While returning from the
garden they also observed some flowering plants on the road
side. But to their surprise they found that the leaves and flowers of these roadside plants were comparatively very dull. Can you help them to know why?

Question 11

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