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प्रश्न
Why should we conserve the non-renewable sources of energy?
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उत्तर
We should conserve the non-renewable sources of energy because if these sources once finished, cannot be regenerated over a reasonable period of time.
संबंधित प्रश्न
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
The pollution of air caused by burning petroleum fuels (like petrol and diesel) in vehicles can be controlled by fitting a device X in the exhaust system of vehicles.
How does this device help in controlling air pollution?
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
The non-renewable source of energy among the following is:
(a) hydroelectricity
(b) sewage gas
(c) natural gas
(d) gobar gas
An energy efficient devices for producing light is:
(a) DLF
(b) CFL
(c) FCL
(d) LPG
Fill in the blank
__________ are examples of renewable energy resources.
Who is the odd one out?
Explain why is it no wise to regard wood as a renewable sources of energy.
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
Look at the figure where petroleum and natural gas deposits are shown. Why do we find oil layer above water layer?
