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Name two energy sources that you would c...

Name two energy sources that you would consider to be renewable. Give reasons for your choices.

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Hydroenergy (Energy from flowing water) and Biomass energy (Energy from biofuels such as wood) are the renewable sources of energy.
Hydroenergy is a renewable source of energy because it is supplied by the water cycle in nature (powered by sun's energy) and it will never get exhausted.
(ii) Biomass energy contained in wood is a renewable source of energy because if trees are cut from the forest for obtaining wood, then more trees will grow in the forest in due course of time.
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LAKHMIR SINGH & MANJIT KAUR-SOURCES OF ENERGY -Exercise
  1. The constituent of biogas which makes it an excellent fuel is :

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  2. The major component of biogas is :

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  3. Which of the following is more environment friendly ?

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  4. Which one of the following is not renewable energy technology ?

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  5. What is geothermal energy ?

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  6. What are the advantages of nuclear energy ?

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  7. Can any source of energy be pollution-free ? Why or why not ?

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  8. Hydrogen has been used as a rocket fuel. Would you consider it a clean...

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  9. Name two energy sources that you would consider to be renewable. Give ...

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  10. Give the names of two energy sources that you would consider to be exh...

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  11. A solar water heater cannot be used to get hot water on : (a) a sunn...

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  12. Which of the following is not an example of bio-mass energy source ? ...

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  13. Most of the sources of energy we use represent stored solar energy. Wh...

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  14. Compare and contrast fossil fuels and the sun as sources of energy.

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  15. Compare and contrast bio-mass and hydro-electricity as sources of ener...

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  16. What are the limitations of extracting enegry from : (a) the wind ...

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  17. On what basis would you classify energy sources as : (a) renewable a...

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  18. What are the qualities on an ideal source of energy ?

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  19. What are the disadvantages of using a solar cooker ? Are there places ...

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  20. What are the environmental consequences of the increasing demand for e...

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