Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
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.
Why is there a need for harnessing non-conventional sources of energy? How can energy be harnessed from the sea in different ways?
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one non- conventional source of energy.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
Which is the process used to harness nuclear energy these days? Explain it briefly.
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