Q. The …A… from the sun broke up water into hydrogen and oxygen and the …B… escaped. Oxygen combined with ammonia and methane to form …C… . $CO_{2}$ and others. The ozone layer was formed. As it cooled, the water vapour fell as rain, to fill all the depressions and form …D… Choose the correct option for A,B,C and D to complete the given paragraph, to NCERT textbook
A) A-IR rays, B-lighter $H_{2}$, C-water, D-oceans
B) A-UV rays, B-lighter $H_{2}$, C-water, D-oceans
C) A-UV rays, B-heavier $H_{2}$, C-water, D-oceans
D) A-UV rays, B-heavier $H_{2}$, C-water, D-oceans
Explanation
A-UV rays, B-Higher $H_{2}$, C-Water and D-Oceans
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.