Which of the following statements about the equator is true?

Question

Which of the following statements about the equator is true?

A. It's a line of longitude.

B. It's the only line of latitude that's a great circle.

C. It's the same as the prime meridian.

D. It falls at latitude 60°N.

Answer 1

Answer (B) is correct. The other latitude lines are rhumb lines, while the equator is a great circle.