Crude oil can be stated as the naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials
Natural gas can be stated as the fuel which contains the methane as the primary source and other substances as secondary preference
Demerits of Natural gas:
- It is a combustible substance
- It is a nonrenewable energy
- It emits the greenhouse gases
- It should be handled carefully
- Expensive Installation
Demerits of Cheap oil:
- It produces an enormous amount of carbon dioxide
- It contaminates water and lead, and it acts as the main cause of water and land pollution
- Emission of harmful substances and stuff like sulfur oxide which leads to the formation of acid rain
- It produces high toxic substances
