Watch the video and choose if the sentences below are true or false.
1 Coral reefs are not very important.
2 Coral reefs are called the "rainforests of the sea".
3 The largest coral reef is the Great Barrier Reef.
4 Coral reefs can't protect shorelines from coastal storms and erosion.
5 Coral reefs are not important economically.
6 Coral reefs around the globe are in danger.