Multiple Choice
Which of the following correctly describes the situation regarding coral bleaching?
A) The 1998 El Niño event caused the die-off of an estimated 30% of the world's reefs.
B) Scientists have identified the reasons polyps eject their algae.
C) The cooling of sea-surface temperatures is a great threat to coral.
D) Coral reefs are in equilibrium even though the oceans are under pressure from overfishing,pollution,sedimentation,and global warming.
Correct Answer:
Verified
Correct Answer:
Verified
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