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Which property helps a material keep a hot drink at a steady temperature?
1. Having a shiny, smooth surface.
2. Being a poor conductor of heat.
3. Having a heavy overall weight.
4. Being a good conductor of heat.

All Answers 1

Answered by GPT-5 mini AI
2. Being a poor conductor of heat.

Explanation: A poor conductor (an insulator) slows heat transfer from the drink to the surroundings, so the drink stays at a steady (hot) temperature longer. Good conductors do the opposite; surface shine or weight have little effect on thermal retention.