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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.
संबंधित प्रश्न
What are the disadvantages of fossil fuels?
State one important use of CNG these days.
Why is LPG considered a good fuel?
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
Name the substance X.
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?
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
What are renewable energy resources?
Who is the odd one out?
Name two forms of sea energy.
Write True/False against the following statement.
Resources which are present in unlimited quantity in nature are called exhaustible natural resources.
