geography: -------------------- has 570 miles of shoreline.?

Questions

Arts : Who painted the Mona Lisa?

Astrology : Our galaxy is commonly known called _________.?

Astrology : What is the only sign in the zodiac which doesn't represent a living thing?

Astrology : Which month has a diamond as a birthstone?

Astronomy : A heavenly body moving under the attraction of the Sun and consisting of a nucleus and a tail is a(n) _______.?