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प्रश्न
What are the disadvantages of burning fossil fuels?
उत्तर
The disadvantages of burning fossil fuels are as follows.
(a) The burning of fossil fuels produces gases such as sulphur dioxide and nitrogen oxide, which cause acid rain, damaging trees and land and affecting aquatic life.
(b) It produces carbon dioxide, which affects all kinds of organisms.
(c) It produces smoke and ashes, which cause air pollution.
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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?
The ultimate source of energy stored in fossil fuels is:
(a) moon
(b) earth
(c) sun
(d) sea
Name the original source of wind energy.
Name the major component of biogas.
Select the renewable and non-renewable sources of energy from the following :
- Coal
- Wood
- Water
- Diesel
- Wind
- Oil
Choose the correct answer.
The coal that has the highest percentage of carbon is
Name a few major producers of petroleum in the world.
Why should we conserve the non-renewable sources of energy?
Air is a natural resource and cannot be exhausted by human activities. It is known as inexhaustible natural resource. Which of the following is another inexhaustible natural resource?
Why petrol is exhaustible natural resource whereas sunlight is not? Explain.
