1. 2 words related to Cannel coal: bituminous coal, soft coal

2. III) Bituminous: It is called soft coal and has powerful burning capacity and iv) Anthracite: It is the hardest coal and gives up a great amount of heat when it burns.

3. Bituminous coal, also called soft coal, the most abundant form of coal, intermediate in rank between subBituminous coal and anthracite according to the coal classification used in the United States and Canada