What was the purpose of miller and urey's experiment

A. to find out how biological molecules could have first formed
B. to find out if prokaryotes have genetic information
C. to find out if DNA carries genetic information
D. to find out if the protists evolved from the eukaryote

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volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).