Question

What is it?
Tell it's uses,information,etc.
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Answer 1

Answer:

It is a lichen...

A lichen is a composite organism that emerges from algae or cyanobacteria living among the filaments (hyphae) of the fungi in a mutually beneficial symbiotic relationship. The fungi benefit from the carbohydrates produced by the algae or cyanobacteria via photosynthesis.

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