Question

Coal and petroleum are ____
minerals. (metallic / non-metallic?​

Answer 1

Answer:

Coal and petroleum are non metallic minerals

The mineral fuels like coal and petroleum are also non-metallic minerals. Minerals can be extracted by mining, drilling or quarrying (Fig 3.3). The process of taking out minerals from rocks buried under the earth's surface is called mining.

Answer 2

Answer:-

coal and petroleum are non- metallic .