Abnormally high-water temperatures is the most likely cause of the coral bleaching shown below and is denoted as option B.
What is Coral bleaching?
This is defined as the process in which corals turn white due to stressors such as temperature etc.
The most cause of bleaching in corals is high temperature due to climate change experienced in the world.
Read more about Coral bleaching here https://brainly.com/question/22199748
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