Respuesta :
A.It is a well-known fact.
There is no need to call it a "hypothesis" if it is already a fact. & If it is a fact, why not just call it "fact"?
hope this helps
There is no need to call it a "hypothesis" if it is already a fact. & If it is a fact, why not just call it "fact"?
hope this helps
Answer:
A well known fact
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