Physics · Heat and Thermodynamics
Which of the following phenomena is a direct example of heat transfer by convection?
- 1Warm water around the equator moving toward the poles, while cold polar water moves toward the equator.✓
- 2Heat transferring from a person's hands to an ice cube, causing the ice cube to melt when held.
- 3The warming of the Earth's surface by electromagnetic waves arriving from the Sun.
- 4The emission of alpha particles during the radioactive decay of Uranium-238 into Thorium-234.
Correct answer
Warm water around the equator moving toward the poles, while cold polar water moves toward the equator.
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