What sort of magnets are used to help compasses to point North?
Type O their speed lamphreys the Arctic as a base weater permanent marine
A B C D E F G H
Natural magnets are permanent magnets that never lose their magnetism.
Permanent magnets are used for compasses pointing North.
What sort of magnets are used to help compasses to point North? (A) Type O (B) their speed (C) lamphreys (D) the Arctic (E) as a base (F) weater (G) permanent (H) marine