At a point A on the earth's surface the angle of dip, $\delta = +25^{\circ}$. At a point B on the earth's surface the angle of dip, $\delta =-25^{\circ}$. We can interpret that.

Question

( A ) A and B are both located in the southern hemisphere
( B ) A is located in the southern hemisphere and B is located in the northern hemisphere
( C ) A is located in the northern hemisphere and B is located in the southren hemisphere
( D ) A and B are both located in the northern hemisphere