Science, asked by saihajbir2009, 5 months ago

which rock can cause a scratch on steel

Answers

Answered by arunamahesh

Answer:

Rocks are made up of one or more minerals. According to the scale, Talc is the softest: it can be scratched by all other materials. Gypsum is harder: it can scratch talc but not calcite, which is even harder.

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