During chemical evolution,where were the primary biological compounds synthesized?

During the origin and evolution of life,key biological compounds were progressively synthesized in the ocean with the help of energy obtainable from:

Stanley Miller had put the Oparin-Haldane theory to test in $1953$ by creating in the laboratory the probable conditions on the primitive earth. In the experiment,simple amino acids were synthesized from which of the following mixtures,as observed after eighteen days?

Oparin and Haldane's theory is also called

According to the theory of special creation,how old is the Earth?

Given below are some major events in the early history of life:
$I.$ First heterotrophic prokaryotes
$II.$ First eukaryotes
$III.$ First autotrophic prokaryotes
$IV.$ First animals
Choose the correct sequence of these evolutionary events.