(A) Oxygen (X)
(B) Carbon Dioxide (X)
(C) Hydrogen ()
(D) Silicon (X)
Answers: The most abundant element in the universe is Hydrogen.
(A) Oxygen (X)
(B) Carbon Dioxide (X)
(C) Hydrogen ()
(D) Silicon (X)
Answers: The most abundant element in the universe is Hydrogen.
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