Explain the process of formation of complex proteins from simple proteins

Explanation

i. Around 3.5 billiion years ago, it is speculated that life wasnon-existend on earth.
(ii) In the beginning, only simple elements may have been present in the oceans.
iii. Simple organic and inorganic compounds may have been formed by these simple elements.
(iv) These simple compounds may have eventually resulted in the formation of complex comopunds like proteins and nucleic acids.
v. The process of formation of complex compounds may have occurred over a long period of several years.