(A) Water and Hydrogen (X)
(B) Water and Oxygen (X)
(C) Water and Carbon dioxide ()
(D) Water and Nitrogen (X)
Answers: Water and Carbon dioxide
(A) Water and Hydrogen (X)
(B) Water and Oxygen (X)
(C) Water and Carbon dioxide ()
(D) Water and Nitrogen (X)
Answers: Water and Carbon dioxide
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