Refer to the Figure Below Showing the Miller‒Urey Experiment

Multiple Choice

Refer to the figure below showing the Miller‒Urey experiment. The experiment, which was performed in the 1950s,

A) showed that Earth's early environment had an atmosphere of N₂, NH₃, CH₄, H₂O, and H₂.
B) showed that Earth's early atmosphere consisted of a combination of gases that is different from the one that exists today.
C) proved that carbon dioxide was present in Earth's early atmosphere.
D) demonstrated prebiotic synthesis of small molecules of life.
E) led to no meaningful conclusions, because there was no lightning in Earth's early environment.