Blow on your hand with your mouth open. Then do the same with your lips puckered and you'll find
A)a difference in temperatures.
B)the breath from puckered lips is cooler.
C)both of these
D)neither of these

Question

Quizplus · Accepted Answer

When blowing on your hand with your mouth open, the air you release is warm and moist. However, when you pucker your lips, the air is forced through a smaller opening, causing it to come out cooler and quicker. Therefore, both A and B are correct.

Blow on Your Hand with Your Mouth Open