Explain why most quartz is useful.
(this is asking for maybe a paragraph)

Well you can inclue in your paragraph many data related to quartz like: 1) Is the most abundant and most widely distributed mineral on the earths ground. 2) It is present in all the world. 3) Its very durable 4) Used in the glass making industry 5) You can use it also in the petroleum industry in the process known as hydraulic fracturing and 6) Used in a variety of gemstones.

The correct answer would be b