Question

According to one of the most accepted theory, the Earth atmosphere before any life had originated consisted of $H_{2}O$, $H_2$, $N{H}_2$ and

• A. $C{H}_4$
• B. $O_2$
• C. $N_2$
• D. None of the above

Answer 1

The correct option is A $C{H}_4$

Earth's atmosphere before any life had originated consisted of H${}_2$O, H${}_2$, NH${}_2$ and CH${}_4$

So, the correct answer is 'CH${}_4$