Swan-necked flask experiment proved

Which of the following gases was likely NOT abundant in the early Earth's atmosphere?

For a long time it was believed that life came out of decaying and rotting matter like straw mud, etc.

This was the theory of

According to one of the most accepted theory, the earth atmosphere before any life had originated consists of ${{\rm{H}}_2}{\rm{O}},{{\rm{H}}_2},{\rm{N}}{{\rm{H}}_2}$ and

Information molecule to get evolved first on the primitive earth was

Theory of special creation arguments that:  I. all living organisms were created as such, II. the diversity was always the same since creation, III. earth is 4000 years old. Choose the right option to complete the given statement

In the origin of life, microspheres are most primitive protobiont, which have a membrane of

Big-Bang theory attempts to explain the origin of

The concept of chemical evolution is based on

The first cellular form of life could have originated

Early Greek thinkers thought units of life called