Which sentence BEST summarizes the section "Coral And Bleaching"?ANOAA takes care of coral reefs.BCoral reefs with algae have bright colors.CCoral bleaching is a sign that coral are unhealthy.DCoral, also called polyps, are marine invertebrates.

Which sentence from the section helps explain that humans are one cause of coral bleaching?AReefs could disappear entirely by the end of the century.BClarke says coral bleaching is a clear sign of climate change.CCoral bleaching may seem grim.DBut reefs can improve if humans take action.

Discuss the different strategies that can be taken to prevent  extensive damage of coral reefs.

It affects the health of living things in the oceans, as well as people's livelihoods and food security.How does this sentence support the MAIN idea of the article?AIt shows which types of coral are bleaching.BIt shows how to slow down coral bleaching.CIt shows why coral bleaching is a big problem.DIt shows who is helping to stop coral bleaching.

Which sentence from the article helps the reader understand that coral reefs are important?AMonths of increasing ocean temperatures are damaging reefs.BThis leaves the coral reefs exposed to disease.CAustralia's Great Barrier Reef is the largest coral reef system in the world.DRoughly 850 million people worldwide rely on coral reefs.

The vast array of different coral species on the reef are very beautiful. What are corals? Fungi growing on plant roots1Plants with bacteria on their leaves2Bacteria which photosynthesise3Animals with symbiotic algae in their tissue4