Blow on your hand with your open mouth and you feel the warmth of your breath. Pucker your lips so your breath expands as you blow and your breath is
A)still warm.
B)cooler.
C)neither

Name: Blow on your hand with your open mouth and you feel the warmth of your breath. Pucker your lips so your breath expands as you blow and your breath is A)still warm. B)cooler. C)neither
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Question

Quizplus · Accepted Answer

When you pucker your lips, the air expands and cools as it exits your mouth, making your breath feel cooler.

Blow on Your Hand with Your Open Mouth and You