Q. The Sun’s mass is mainly consisted of hydrogen (about 73%). The second main constituent (about 25%) is
(A) hydrogen
(B) helium
(C) carbon dioxide
(D) nitrogen
The answer is: (B) helium
Q. The Sun’s mass is mainly consisted of hydrogen (about 73%). The second main constituent (about 25%) is
(A) hydrogen
(B) helium
(C) carbon dioxide
(D) nitrogen
The answer is: (B) helium