Question

29. The magnetic compass is not useful for 29.
navigation near the magnetic poles because
(1) The magnetic field near the poles is zero
(2) The magnetic field near the poles is almost
vertical
(3) At low temperature, the compass needle
looses its magnetic properties
(4) Neither of the above​

Answer 1

Answer:

2 is your correct ans buddy

Explanation:

as the magnetic field near the poles are vertical to each other.

That's why it is not useful at all.

Answer 2

Answer:

The magnetic compass is not useful for navigation near the magnetic poles because the magnetic field near the poles is almost vertical.