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MMLU-Pro / 10042 / A person can stand outside on a cold day for hours without ill effect, but…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A person can stand outside on a cold day for hours without ill effect, but falling into a cold lake can kill a person in a matter of minutes. Which of the following is the primary reason for this phenomenon?

category

physics

options

  1. Water has more molecules per volume than air, increasing molecular contact with the person.
  2. Thermal energy moves from high concentration areas (hot) to low concentration areas (cold).
  3. The molecules of the person are, on average, moving faster than those of the surroundings.
  4. The person's body is more resistant to cold in air than in water.
  5. Water has less heat capacity than air, causing a quicker heat loss.
  6. As heat flows out of the person and warms the fluid surrounding the person, the warmer fluid rises, allowing fresh cool fluid to come in contact with the person and increasing the rate of heat transfer.
  7. The person is more buoyant in water, causing a faster heat transfer.
  8. The person's clothing provides more insulation against cold air than against cold water.
  9. Water molecules are polar, increasing heat transfer when in contact with the person.
  10. Air is less dense than water, so heat transfer is slower in air.

src

ori_mmlu-high_school_physics

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Source and history

upstream_id / Original problem ID
10042
task_id
3b91c90c-18d1-5a76-a023-c5ce92f49ad1
task_key
default--test--10042
task_revision_id
1
config / split
default / test

Official source

initial import