Advertisements
Advertisements
प्रश्न
Imagine that all the exhaustible natural resources are exhausted by human activities. Do you think survival of living beings would be possible? If yes, why? If not, why not?
उत्तर
If all the exhaustible natural resources are exhausted by human activities, then the survival of living beings would not be possible. Actually, fossil fuels are the most important source of energy for us today. They are concentrated source of energy and give off heat and light on burning.The heat can be used to cook food or to run engines such as automobile engines. It can be used to generate electricity as in powerhouse where the most common fuel used is coal.
APPEARS IN
संबंधित प्रश्न
What are the disadvantages of burning fossil fuels?
Which of the following is not a fossil source of energy?
(a) kerosene oil
(b) cow-dung cakes
(c) CNG
(d) coal
Fossil fuels are energy rich compounds of an element X which were originally made by the plants with help of sun's energy.
Name another element which is usually found in combination with X in fossil fuels.
Name the original source of wind energy.
Which of the two is more energy efficient: filament type electric bulb or CFL? Why?
Fill in the blank
Solar cells use the power supplied by the ______.
Who is the odd one out?
Name the major constituent of natural gas.
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
What are the environmental consequences of using fossil fuels? Suggest the steps to minimise the pollution caused by various sources of energy including non-conventional sources of energy.
