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(B) In $1953$,Stanley Miller and Harold Urey performed a landmark experiment to demonstrate the chemical origin of life. They simulated the conditions

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Demonstrated the synthesis of organic compounds from inorganic precursors

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(B) In $1953$,Stanley Miller and Harold Urey performed a landmark experiment to demonstrate the chemical origin of life. They simulated the conditions of the primitive Earth in a laboratory setting. They used a mixture of $CH_{4}$,$NH_{3}$,$H_{2}$,and water vapour $(H_{2}O)$ in a closed flask. They provided energy for the reaction using electrical discharges (simulating lightning) at $80^{\circ}C$. This experiment successfully produced complex organic compounds like amino acids,providing experimental evidence for the Oparin-Haldane hypothesis.

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

What was the contribution of scientists Stanley Miller and Harold Urey?

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Match the following columns:
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

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