contestada

"A magnet with a red end and blue end is tied to a string and suspended from the ceiling. The red end is found to orient northward. A second magnet with a green end and yellow end is brought near the first magnet and it is observed that the green end attacts the red end. You then know that the yellow end is a magnetic

A. Northpole
B. Southpole
C. can't be sure because the orientaion of the second magnet in the earth's field not specified.