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प्रश्न
Can you tell?
Why should we save energy?
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उत्तर
We should save energy to preserve limited natural resources, reduce environmental pollution, cut costs, support sustainability, and ensure energy availability for future generations.
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 are the various steps which can be taken to control (or reduce) pollution caused by burning fossil fuels?
What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
The major component of biogas is:
(a) hydrogen
(b) butane
(c) hydrogen sulphide
(d) methane
What is meant by the renewable and non-renewable sources of energy? State two differences between them, giving two examples of each
Who is the odd one out?
In a hydro power plant ______.
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.
