In the context of worst coral die-off recorded at Australias Great Barrier Reef, consider the following statements 1. Corals exist in highly sediment, saline waters of warm tropical oceans with minimum temperature of 20 C. 2. Coral bleaching causes corals

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Q: 29 (Current Affairs-NOV/2016)
In the context of worst coral die-off recorded at Australia’s Great Barrier Reef, consider the following statements
1. Corals exist in highly sediment, saline waters of warm tropical oceans with minimum temperature of 20° C.
2. Coral bleaching causes corals to expel tiny photosynthetic algae, draining them of their colour. It calcifies the corals to turn into white.
Which of the above statements are correct?

question_subject: 

Geography

stats: 

0,85,101,8,85,88,5

keywords: 

{'coral bleaching': [0, 0, 0, 2], 'worst coral die': [0, 0, 0, 1], 'corals': [0, 0, 1, 0], 'tiny photosynthetic algae': [0, 0, 0, 1], 'great barrier reef': [4, 0, 1, 1], 'warm tropical oceans': [0, 0, 0, 1], 'colour': [11, 6, 13, 28], 'saline waters': [0, 0, 0, 1]}