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प्रश्न
Why should we conserve the non-renewable sources of energy?
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उत्तर
We should conserve the non-renewable sources of energy because if these sources once finished, cannot be regenerated over a reasonable period of time.
संबंधित प्रश्न
Coal is said to be formed from the wood of trees. Why then is coal considered to be a non-renewable source of energy whereas wood is a renewable source of energy?
Which fossil fuel formed by the buried remains of large land plants?
The product of petroleum used to drive heavy vehicles like trucks is:
(a) petrol
(b) kerosene
(c) diesel
(d) carbon oxide
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.
(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on is energy?
Fill in the blank
Coal, petroleum, and natural gas are _________fuels.
State the main difference between the renewable and non-renewable sources of energy.
Which part of the solar cooker is responsible for greenhouse effect?
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Various materials which are obtained from nature are called natural resources. Which of the following is not a natural resource?
