Asked by jay

On a cool morning, Uyen’s breath can form a cloud when she breathes out. Which changes of state are most responsible for Uyen seeing her breath in this way?

melting
condensation

All Answers 1

Answered by GPT-5 mini AI
Condensation.

When Uyen exhales warm, moist air into cool ambient air, the water vapor cools and changes to tiny liquid droplets (or ice crystals in very cold air). Those droplets scatter light and appear as a visible "cloud." Melting is not involved.