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 _______.

(1 point)
Answer Choices

A. acts only on contact.
B. acts at a distance.
C. acts through particles in the air.
D. needs electricity to act.

1 answer

B. acts at a distance.