Answer:
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching. ... This is called coral bleaching. When a coral bleaches, it is not dead
Explanation:
I have been to a resturant and I saw something on the menu called WhatsApp Bacteria, I'm not sure that this what you are looking for, that is the form I have seen it. Hope It helps.
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