Read the following statements carefully:
1.Scientists have discovered a giant deep-sea coral reef system off the coast of Australia.
2.A pair of dives in a submersible called Alvin confirmed the existence of the coral reef and based on observations, researchers estimate the reef is at least 85 miles long.
3.Coral reefs form more easily near the surface of the water, where the sun can feed the algae.
Which of the above statements is/are correct?