Gap Fill - Coral Reefs - Level 6


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   deeper      enough      healthy      location      mapping      part      pristine      prone      sunlight      surface  

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Scientists say the of the Tahiti reef means it is in condition. Most of the world's reefs are in warmer waters. This makes them to the bleaching effects of global warming. Tahiti's reef is deep to protect it from bleaching. There is still sufficient at 30 metres for coral to grow and reproduce. UNESCO said: "We think that reefs may be better protected from global warming." It believes the Tahiti reef is "one of the most extensive coral reefs on record". It added that more of the deep ocean needs to be undertaken. It said: "We know more about the of the Moon or the surface of Mars than the deeper of the ocean."

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