Multiple choice

Ice is placed in the upper part of an ice chest because

  1. it is easier to reach there

  2. the water formed by melting can run out more quickly

  3. convection will distribute the cooler air

  4. none of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Placing ice at the top of a chest utilizes natural convection. As the air near the ice cools, it becomes denser and sinks, creating a circulation pattern that cools the entire chest effectively.

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