The diagram represents Miller's experiment. Choose the correct combination of labelling.
$A-$ electrodes, $B-NH_3 + H_2 + H_2O + CH_4$, $C-$ cold water, $D-$ vacuum, $E-U$ trap
$A-$ electrodes, $B-NH_4 + H_2 + CO_2 + CH_3$, $C-$ hot water, $D-$ vacuum, $E-U$ trap
$A-$ electrodes, $B-NH_3 + H_2O$, $C-$ hot water, $D-$ tap, $E-U$ trap
$A-$ electrodes, $B-NH_3 + H_2 + H_2O + CH_4$, $C-$ steam, $D-$ vacuum, $E-U$ trap
The concept that the species have changed over a long period of time is known as
Stanley Miller $(1950)$ was successful in synthesizing
$A$ : During evolution the early time period was without ozone layer.
$R$ : Ozone layer absorbs $U.V.$ rays to some extent.
What did $S.L.$ Miller observe in his experimental set-up?