Which nonmetallic mineral is used as a building material and also in the manufacture of steel? a graphite b sulfur c limestone d corundum

The right option is; C limestone

Limestone is the nonmetallic mineral that is used as a building material and also in the manufacture of steel.

Limestone is an abundant naturally occurring rock of marine and fresh water sediments that is primarily composed of high levels of the mineral calcite (CaCO3) with small quantity of other minerals such as quartz (silica), pyrite (iron sulphide) etc. Limestone is used for a wide range of industrial and manufacturing uses. It is used as a building material and it is also an important raw material used in manufacturing iron and steel.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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