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The mineral graphite is used in pencils. What is the characteristic that allows it to be used for this purpose? *

1 black streak
2 hardness of 1-2
3 both are correct

Respuesta :

ransi
answer:
both

explanation:
the hardness is (1-2) very soft.
the colour is black (but it’s shiny lister may give it a silver appearance) , opaque

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