Which of the following is a common industrial use for a mineral?

using iron to fortify cereals

using silver to create jewelry

using copper to make art pieces

using low-grade diamonds to cut materials

Option (d) is the correct answer.

Explanation:

It is known that a diamond is the hardest material according to Mohs scale. It also has highest thermal conductivity and that is why it is used in industrial applications.

It is used in the cutting and polishing of other tools or materials.  

Thus, we can conclude that out of the given options, using low-grade diamonds to cut materials is a common industrial use for a mineral.

the answer is either b or c