Review the image(s) and answer the following questions.

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1			What did the Miller-Urey experiment prove?
			A)	It was designed to show the existence of life on other planets.
			B)	This classical experiment tried to evolve gas from inert rocks.
			C)	This experiment was designed to simulate the formation of organic molecules in the early atmosphere.
			D)	Miller and Urey set out to disprove spontaneous generation.
2			What is the purpose of the sparks from the electrodes in the chamber?
			A)	These sparks simulated lightning.
			B)	The sparks superheated the water in the condenser to simulate volcanic action.
			C)	The sparks kept the mixture from freezing in an unheated laboratory.
			D)	The sparks simulated daylight.