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ayush singhi from ryan international school, Mumbai
Subject :NSO    Class : Class 8

PCRA stands for

(A) Petrol Conservation Research Association

(B) Petroleum Conservation Research Association

(C) Petrochemical Conservation Research Association

(D) Petrol Conversion Research Association.

Ans 1:

A from Mumbai, Mumbai
Class : Class 8
the answer is at B Petroleum Conservation Research Association

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