Answer:
A
Explanation:
I sure hope this helps if not A then B
Your teacher would scold you for committing plagiarism because it's the books answer and not your own answer
Explanation:
1) Coral reefs are underwater ecosystems which are formed of colonies of Coral Polyps, a Famous and well-known Coral Reef is the Great Barrier Reef, which is located off the coast of Queensland, Australia.
2) A couple of threats to the world's oceans include, Plastic Pollution, Global Warming and Acidification.
Hope this helps
