Stanley Miller and Harold Urey were the first to demonstrate that
A. the earliest genetic material was RNA, rather than DNA.
B. meteorites contain amino acids, many of which exist on
Earth.
C. earth formed from a nebula approximately 4.6 billion years,
Ago.
D. organic molecules can be formed from inorganic molecules

this might

the statements that apply here about binary star system are

"have stars that might appear to wobble"

"often have one star that is brighter than other"

a binary star is a star system consisting of two stars revolving around their common barycenter. systems of two or more stars are called multiple star systems.

which is not a category of marine organisms