______ minerals are non-metallic minerals which are important fuel resources.
Metallic minerals contain metal in raw form. Metals are hard substances that heat and electricity and have a character tics lustre or shine. Iron ore, bauxite, manganese are some examples. Metallic minerals may be ferrous or non-ferrous. A non-metallic mineral does not contain metals. Limestone, mica are examples of such minerals. The minerals fuel like coal and petroleum are also non-metallic minerals. Power minerals are non-metallic minerals which are important fuel resources.
Thus, the correct option is B.