Who proposed the $Cosmozoic$ theory?

The scientist associated with the overthrow of the "Theory of Spontaneous Generation" through experiments with swan-necked flasks is:

Abiogenesis is the .......

The chemical theory of the origin of life was proposed by:

The early atmosphere contained methane and other hydrocarbons. They have now been replaced by:

In Stanley Miller's experiment,the temperature of the water vapor was ........ (in $^{\circ}C$)