Which of the following statements is/are correct about the variation of magnetic declination?
Statement I: Magnetic declination is more at magnetic poles and less at equator.
Statement II: Magnetic declination is more in the summer than in the winter.
Statement III: Magnetic declination is more at night and less in the day.
1
Statements I and II only
2
Statement I only
3
Statement II only
4
Statements II and III only