Distinguish between biogas and natural gas.
Biogas | Natural gas |
1. It is obtained from shrubs, farm wastes, animal and human wastes. | 1. It is obtained in natural form under controlled conditions. |
2. Available in limited quantities. | 2. Available in large quantities. |
3. Used widely in rural areas. | 3. Used widely in urban areas. |
4. It is not used as raw material. | 4. It is used as raw materials in petrochemical industries. |