In Interstellar Space,millions of Ice-Encrusted Dust Particles Contain Simple Carbon-Containing

Multiple Choice

In interstellar space,millions of ice-encrusted dust particles contain simple carbon-containing compounds.When particles like these are exposed to solar radiation,more complex organic molecules form on the surfaces of the dust.What is the significance of these findings?

A) Chemical evolution occurs only in outer space and was not possible on Earth.
B) Life began in outer space.
C) Life exists in outer space.
D) Chemical evolution occurs readily in outer space.