Which statement about a flat magnet that can stick onto a refrigerator is true? Question 2 options:

It has no poles.

It has only a north pole, where Santa lives.

It has only south poles.

It has two poles.

can you show the map , i'll be able to update my answer

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.