At present,the origin of life from inorganic compounds is not possible because,

Who demonstrated that life comes only from pre-existing life?

Which gases were taken in the closed flask in $S$. $L$. Miller's experiment?

The first form of life originated in . . . . . . .

Two statements regarding the origin of life are given below:
$(a)$ The first organisms that emerged on Earth are believed to have been devoid of chlorophyll and incapable of respiration.
$(b)$ The first food-producing organisms were chemosynthetic and never released oxygen.
Based on the above statements,which of the following options is correct?

In his classic experiment on the formation of amino acids,Stanley Miller passed an electric discharge in a mixture of