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प्रश्न
Explain why is it no wise to regard wood as a renewable sources of energy.
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उत्तर
Use of wood is a renewable source but is not advised to use, because saplings take a long time to become a tree.
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संबंधित प्रश्न
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
What is the composition of liquefied petroleum gas (LPG)?
Explain why, natural gas is considered to be a good fuel.
The natural gas consists mainly of:
(a) methane
(b) ethane
(c) propane
(d) butane
The energy in petrol originally came from the sun. Explain how it got into petrol.
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.
Name the device
Write any two advantages of using biogas.
Fill in the blank
__________ are examples of renewable energy resources.
Why are fossil fuels called non-renewable sources of energy?
Coal is one of the ______ used to cook food.
