The correct answer is (b) Water. Water is a renewable resource because it is continuously replenished through the natural water cycle, making it sustainable and available for future use, unlike coal, natural gas, and petrol.
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The correct answer is (b) Petrol. Petrol is the most commonly used fuel in two-wheelers like scooters and bikes due to its high energy efficiency and suitability for smaller engines compared to diesel or kerosene.
Coal and natural gas are non-renewable resources as they take millions of years to form. Forests are renewable, but only if managed sustainably. Minerals are non-renewable because their formation process is extremely slow.
Drinking water – Use efficiently, Electricity – Turn off when not needed, Driving – Carpool or use public transport. Water can be conserved by fixing leaks. Electricity consumption can be reduced by using energy-efficient appliances. Solar cookers can replace gas ...
In the illustration, solar energy is being used for cooking. The solar cooker utilizes sunlight, which is converted into heat energy by focusing sunlight on a cooking vessel, allowing food to be prepared without other fuel sources.