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प्रश्न
Why should we conserve the non-renewable sources of energy?
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.
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संबंधित प्रश्न
Describe how fossil fuels were formed.
Name the major component of biogas.
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
What do you know about wind energy?
Can you tell?
Why should we save energy?
State the main difference between the renewable and non-renewable sources of energy.
Higher Order Thinking Skill (HOT)
What are the objectives for replacing non-conventional energy resources from conventional energy resources?
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?
Complete the crossword in figure with the help of the clues :
Across
1. Fuels obtained from dead remains of living organisms. (6, 5)
2. A process by which the various constituents of petroleum are separated. (8)
3. A porous black substance obtained from coal. (4)
4. Another name for motor fuel. (6)
Down
5. The substance obtained by carbonisation. (4)
6. Fuel for heavy motor vehicles. (6)
7. A petroleum product used for road surfacing. (7)
8. Dead remains of sea animals got converted into it. (9)
