What nonmetallic mineral resources is used both as a building material and as an industrial mineral?

sulfur
limestone
graphite
corundom

The correct answer is B. Limestone.

Explanation

Limestone is a natural material formed mainly by Calcium Carbonate, it is one of nature's most abundant compounds, and its mineral form is called Calcite. The various forms of calcium carbonate has numerous applications in the industry. Limestone is used as a building material, in the manufacture of glass, in metallurgy as a flux, and to obtain lime and calcium cyanamide. Marble serves as an ornamental element in the building and for statuary. Additionally, the pearls are composed of calcium carbonate, deposited by oysters, clams, etc. So, the correct answer is B. Limestone.

yes its like the dead sea which is full of salt which makes you stay afloat

so yes an egg will float in salt

most community's take hundreds of years to become stable