Answer: Option D
Miller-Urey experiment indicates that the Organisms were suddenly generated on early Earth.
Step-by-step explanation:
According to the Miller-Urey experiment in the early days of the earth the organisms were generated suddenly on the earth surface.
Some organic compounds are formed on the earth from the simple compounds at the some special conditions.
Because for any organism to generate some particular conditions are required. So the above experiment proved that many organisms are created automatically on the early days of earth .