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Physics, 02.07.2019 04:30 neelydeY23

The earth has a magnetic field around it, which is generated by its molten core. this magnetic field exerts a force on compass dials, which are magnets, causing them to align with the earth's magnetic field. this force on compass dials is an example of a force that a. acts only on contact. b. needs electricity to act. c. acts through particles in the air. d. acts at a distance.

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The earth has a magnetic field around it, which is generated by its molten core. this magnetic field...
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