A modern theory of the origin of the universe proposes that the first atoms formed were primarily atoms of which element?
A B C D
iron carbon helium hydrogen
Question: A modern theory of the origin of the universe proposes that the first atoms formed were primarily atoms of which element?
(A) iron
(B) carbon
(C) helium
(D) hydrogen

Answer: (D) hydrogen
Answer: (B) carbon
Question: A modern theory of the origin of the universe proposes that the first atoms formed were primarily atoms of which element?
(A) iron
(B) carbon
(C) helium
(D) hydrogen
Answer: (D) hydrogen