the litmus paper is made by an extract of ____ plant
vinaybairi27:
answer is lichen
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litmus paper is made by an extract of lichens
it is referred to as blue-green-algae
Lichens as Food for People. While we shouldn't pick up a lichen from a neighbourhood rock or tree and eat it, some species are eaten by humans. Many species are mildly toxic
I was correct
yup
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