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ARC-Challenge / Mercury_SC_414156 / A compass can be made by magnetizing a needle and setting it on a floating cork.…

Problem

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

question

A compass can be made by magnetizing a needle and setting it on a floating cork. The cork will turn so that the needle is pointed north. Which statement explains why the needle points north?

choices

  • The needle is measuring the air temperature.
  • The needle is showing the direction of the wind.
  • The needle is lining up with Earth's magnetic poles.
  • The needle is pointing to the magnetic core of Earth.

Discussion

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Source and history

upstream_id / Original problem ID
Mercury_SC_414156
task_id
49e2760d-058e-5374-973f-60f933c8d2ac
task_key
ARC~2dChallenge--test--Mercury~5fSC~5f414156
task_revision_id
1
config / split
ARC-Challenge / test

Official source

initial import