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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
"The ignition temperature of a fuel is 80°C". What does this mean?
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
Classify the following into renewable and non-renewable sources of energy:
Coal, Wind, Tides, Petroleum,Wood, Natural gas
Explain how, sun is considered to be the ultimate source of fossil fuels
Fill in the following blank with suitable word:
Tidal waves build up and recede ........... a day.
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
