Consider the following statements regarding the Great Barrier Reef:
1. It is a complex of coral reefs, shoals, and islets in the Pacific Ocean off the northeastern coast of Australia in the Coral Sea.
2. It is large enough to be visible from space.
3. UNESCO declared the Great Barrier Reef a World Heritage Site in 1981.
Which of the statements given above is/are correct?
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2, and 3