Multiple Choice
Which of the following is true regarding coral bleaching?
A) 80% of coral reefs worldwide had been lost by 2000.
B) scientists have identified the reasons polyps eject their algae.
C) bleaching is related to a fall in sea-surface temperatures of 1-2 C°.
D) decreased salinity levels are causing the polyps to flee their host.
E) possible causes for bleaching include pollution,disease,sedimentation,salinity,and acidity.
Correct Answer:

Verified
Correct Answer:
Verified
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