Thread: Let's prepare for screening test of C.C.E 2013
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Old Thursday, December 25, 2014
raheel92 raheel92 is offline
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Quote:
Originally Posted by nbabro View Post
The most abundant element on earth and in human body ...........?
books answer that its hydrogen while wikkipedia says Oxygen

please make it clear frnds..
Oxygen is the right answer for both.
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