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प्रश्न
Distinguish between the following pair:
Conventional and Non-conventional sources of energy.
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उत्तर
Conventional sources of energy: Conventional energy sources, such as fossil fuels and cow dung cake, can be used over time for heat, light, electricity, and food production.
Non-conventional sources of energy: Non-conventional energy sources, such as solar and wind, leave no residue after consumption.
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संबंधित प्रश्न
Define the following:
Deforestation
Present human population growth is following arithmetic progression.
Explain briefly the idea contained in the following statement. There will be increasing dependence on sources of energy other than coal and petroleum in the future.
Name any two Non-renewable resources of energy.
List any three consequences of high population density.
What was directly responsible for the rapid rise of world population in the twentieth century?
Which of the following is an exhaustible source of energy?
Match the terms given in column A with those in column B.
| Column A | Column B | ||
| (a) | Forest | (i) | Arithmetic progression |
| (b) | Food | (ii) | Geometric progression |
| (c) | Population | (iii) | Deforestation |
| (d) | Coal | (iv) | Afforestation |
| (e) | Flash floods | (v) | Renewable source of energy |
| (vi) | Non-renewable source of energy |
Define the following term:
Resources
What do you mean by the 3Rs in the context of sustainable development?
