Question

An efficient use of energy results in :
(a) increase in the emission of greenhouse gases
(b) a reduction in the cost of energy
(c) a reduction in the emission of green house gases
(d) both (b) and (c)

  • Current Electricity Class 9 ICSE
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Answer

(d) both (b) and (c)

Reason — An efficient use of energy results in reduction of (i) the cost of energy and, (ii) the emission of greenhouse gases.

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