behind the news 20

Link to BTN: http://www.abc.net.au/btn/story/s4430560.htm

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Facts = blue

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Question = green

This video was about coral bleaching.

The skeleton of the coral is polyps popping out of the holes and eating food that floats past. But the coral is not alone in the holes which turns sunlight in to food for the coral.  Algae is temperature sensitive and if it is to hot the agile leave and the coral starve.  I now understand how agile is important to coral. I also understand how the coral becomes white. How long will it take to fix this problem?

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