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Question
Explain why is it no wise to regard wood as a renewable sources of energy.
Solution
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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RELATED QUESTIONS
A non-renewable source of energy is:
(a) wood
(b) alcohol
(c) hydrogen gas
(d) natural gas
What is the main constituent of:
(1) petroleum gas?
(2) natural gas?
Name the component which is found in natural gas well as in biogas.
The main constituent of petroleum gas is:
(a) methane
(b) ethane
(c) butane
(d) propane
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name the element X.
The major component of biogas is:
(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
Why is the use of wood as a fuel not advisable although wood is a renewable source of energy?
State whether the following is True or False.
Coal takes millions of years to form.
Who is the odd one out?
Fill in the blanks and complete the story.
About 300 million years ago, the earth had dense ______ in low lying wetland areas. Due to natural processes like ______ these forests got buried under the ______ As more ______ deposited over them, they were compressed. The ______ also rose as they sank deeper and deeper. Under high ______ and high ______ , dead plants got slowly converted into coal.
