Which of the following examples shows that we can use our breath to warm objects?

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A Blowing on a mirror
B Blowing on cold hands
C Blowing on hot soup
D Blowing on a candle flame

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Answer: B. Blowing on cold hands

Our breath leaves the body warm, at about body temperature. When we blow gently on cold hands, this warm air passes its heat to the skin and warms it. Blowing on hot soup does the opposite: the moving air cools the soup.

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Which of the following examples shows that we can use our breath to warm objects?

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