Which of the following statements is CORRECT about the earth's magnetic field?
A. the angle of dip is the angle which a freely suspended magnet makes with the vertical B. the angle of declination is the angle between the magnetic meridian and the geographic meridian C. the angle of declination is the angle which a magnetic compass makes with the magnetic meridian D. the angle of inclination is the difference between the angle of dip and the angle of declination
