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प्रश्न
Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?
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उत्तर
Wood is obtained from trees. Hence, trees need to be cut down for wood to be used as a fuel.
Also, burning wood releases a lot of smoke which pollutes the atmosphere.
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संबंधित प्रश्न
On what basis would you classify energy sources as
(a) renewable and non-renewable?
(b) exhaustible and inexhaustible?
Are the options given in (a) and (b) the same?
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
Name the component which is found in natural gas well as in biogas.
State one important use of CNG these days.
Compare the sun and the fossil fuels as the sources of energy.
Apart from cattle dung, what other substances can be added to a biogas plant?
Write any two advantages of using biogas.
Which of the following is not an example of a biomass energy source?
(a) wood
(b) biogas
(c) atomic energy
(d) cow-dung
Explain why is it no wise to regard wood as a renewable sources of energy.
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
