Environmental Sciences, asked by sumitpoonia549, 5 days ago

______ is a hard, black-coloured fine-grained igneous rock.
a. pumice
b. basalt
c. obisidian​

Answers

Answered by jaykantarai
1

Answer:

basalt is a hard ,black -coloured fine-grained igneous rock.

Answered by Anonymous
4

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Basalt is a hard, black-coloured fine grained igneous rock.

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