Respuesta :

The limestone is hard and compact and can be grinded into fine grained calcareous rocks and this contributes to its usefulness.

What are limestones?

Limestone is a type of sedimentary rock that is mainly made up of mineral calcite (calcium carbonate, CaCO3).

Their physical properties include the following;

  • it can be yellow or colourless

  • it has coarse to fine grain size

Therefore, the limestone is hard and compact and can be grinded into fine grained calcareous rocks and this contributes to its usefulness.

Learn more about calcium here:

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