One boy goes to school on his vehicle. On the way, he reaches to a cross-road where red signal is shown. He turns off his vehicle until green signal appears. From this, he has used which R to save the environment.
A
Reduce
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B
Recycle
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C
Reuse
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D
None of the given
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Solution
The correct option is B Reduce The three R's for the conservation of energy reduce, reuse and recycle. Since the boy turns off his vehicle until the green signal, the boy is conserving fuel. This shows that he curtails the use of fuel when not necessary, thus using 'Reduce' of the three R's to save the environment.