Question

1a. why are magnets used in compasses?
choose an option
a they point in a north-south direction.
b they point in an east-west direction.
c they indicate the speed of travel.
d they indicate the distance traveled.

Explanation:

Compasses use magnets (like magnetic needles) which align with Earth's magnetic field, pointing north - south. Option B is wrong as magnets in compasses don't point east - west. Options C and D are incorrect because magnets in compasses don't indicate speed or distance traveled.

Answer:

A. They point in a north-south direction.