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(C) The chemical evolution theory,proposed by Oparin and Haldane,suggests that the first forms of life originated from pre-existing non-living organic

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Chemical evolution of life

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(C) The chemical evolution theory,proposed by Oparin and Haldane,suggests that the first forms of life originated from pre-existing non-living organic molecules.In $1953$,$S.L.$ Miller conducted an experiment to test this hypothesis by creating a laboratory environment that simulated the conditions of the primitive Earth (high temperature,volcanic storms,and a reducing atmosphere containing $CH_4$,$NH_3$,$H_2$,and $H_2O$).He observed the synthesis of amino acids in his apparatus,which provided experimental evidence for the chemical evolution of life.

Column-$I$	Column-$II$
$(X)$ Earth	$(1)$ $20$ billion years
$(Y)$ Universe	$(2)$ $4.5$ billion years
$(Z)$ Non-cellular life	$(3)$ $3.0$ billion years

$S.L.$ Miller conducted an experiment in $1953$ to support the:

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$(X)$ Earth $(1)$ $20$ billion years
$(Y)$ Universe $(2)$ $4.5$ billion years
$(Z)$ Non-cellular life $(3)$ $3.0$ billion years

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