Which of the following is NOT among the commercial sources of energy?
- APetroleum
- BElectricity
- CFuel wood
- DHydropower
Solution & Step-by-step Explanation
* Commercial energy sources are those that are available to consumers for a specific price (e.g., electricity, petroleum, coal, hydropower, natural gas).
Non-commercial energy sources are traditionally gathered and used without direct buying and selling transactions in a structured market. Fuel wood, agricultural waste, and animal dung fall under non-commercial sources of energy, largely consumed in rural households.
Non-commercial energy sources are traditionally gathered and used without direct buying and selling transactions in a structured market. Fuel wood, agricultural waste, and animal dung fall under non-commercial sources of energy, largely consumed in rural households.