Coal is a source of energy true or false
- Coal is a renewable source of energy true or false
- Coal is a conventional source of energy true or false
- Coal is a polluting source of energy true or false
- Coal is a traditional source of energy true or false
- Coal is a natural source of energy true or false
- Coal is a non renewable source of energy true or false
- Coal is a non conventional source of energy true or false
- Coal is an exhaustible source of energy true or false
- Coal is an example of conventional source of energy true or false
- Coal is the main source of energy true false
- Coal is an example of an inexhaustible source of energy true or false
- Coal and petroleum are renewable source of energy true or false
- Coal and petroleum are inexhaustible source of energy true or false