7) which of the following is a mineral that is mined as a fuel source?\na. uranium\nb. coltan\nc…

Brief Explanations:

Uranium is used as a fuel in nuclear reactors for nuclear - fission reactions to generate electricity. Coltan is mainly used in electronics for capacitors, tantalum is used in electronics and chemical industries, and salt is used for seasoning, food preservation, and in chemical processes, not as a fuel source.

Answer:

A. uranium