HLO EVERY ONE ..
What is the difference between Primary sources of energy and Final sources of energy ?
A suitable answer required for class 12 ( eco )
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HLO EVERY ONE ..
What is the difference between Primary sources of energy and Final sources of energy ?
A suitable answer required for class 12 ( eco )
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primary source of energy are free gifts by nature ex coal, petroleum
secondary source of energy are artificial
ex electricity
hope that it is usefull to you...