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प्रश्न
What are the benefits of non-conventional sources of energy?
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उत्तर
Non-conventional sources of energy are solar, geothermal, tidal energies. These are perennial sources i.e. non-exhaustible or renewable resources which can be obtained forever and are also pollution-free. Although the establishment and apparatus of these sources are quite costly, their returns are life – long.
संबंधित प्रश्न
What do you understand by a ‘natural resource’?
Why is oxygen essential?
How do forests retain water?
What happens when fossil fuels are burnt?
How is groundwater formed?
What is the aim of dividing the world into natural regions?
By which currents are the coastal parts of China type of climate affected?
Give reasons for the following:
The western margins of continents are extremely dry.
Differentiate between the following:
Humid regions and Arid regions.
Give a geographical reason:
Vegetation is short-lived in the Tundra region.
