Some of the commonly known ideas regarding magnetism are:

(A) It is possible to make magnets out of iron and its alloys
(B) It is possible to isolate the north or south pole of a magnet
(C) A bar magnet suspended freely, points in the north-south direction
(D) The earth behaves as a magnet with the magnetic field pointing approximately from the geographic south to the north

Choose the correct answer from the options given below:

(A), (C) and (D) only

The correct answer is Option (1) → (A), (C) and (D) only