Answer : 2 315360000 sec Explanation : Answer: B) 315360000 sec Explanation: We know that,1 year = 365 days1 day = 24 hours1 hour = 60 minutes1 minute = 60 seconds. Then, 1 year = 365 x 24 x 60 x 60 seconds.= 8760 x 36001 year = 31536000 seconds. Hence, 10 years = 31536000 x 10 = 315360000 seconds.

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