Which of the following breakup water into hydrogen and oxygen on early earth?
Visible light
Infrared radiations
Sunlight
$UV$ radiations
Urey -Miller's experiment mixture had the following except
The concept that the species have changed over a long period of time is known as
Abiogenesis means
Formation of which complex molecules was noticed by Urey and Miller when they subjected substances like $N{H_3},C{H_4},{H_2}O$ etc. to electric discharge
The concept of chemical evolution is based on