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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
What are fossil fuels? Give three examples of fossil fuels.
The aviation fuel which is used in the engines of jet aeroplanes is:
(a) diesel
(b) kerosene
(c) petrol
(d) CNG
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
Name the constituents of biogas.
Name the major component of biogas.
A certain form of energy is available due to the difference in the temperature of water at the surface of the ocean and its deeper levels.
(a) Name the form of energy.
(b) Is this energy ultimately derived from the sun or not?
(c) Explain how this form of energy can be converted into electricity.
(d) What is the minimum temperature difference in water at the surface of ocean and its deeper level which is required to operate power plants based on is energy?
What is the main difference between renewable and non-renewable energy resources?
Describe the four major types of coal.
Acid rain happens because ______.
Some natural resources are given below. Classify them into the exhaustible and inexhaustible natural resources.
| air, coal, natural gas, sunlight, petroleum, minerals, forests, oxygen |
