Complex Molecules in the Interstellar Medium Are Found

Multiple Choice

Complex molecules in the interstellar medium are found:

A) uniformly throughout the disk of the Galaxy.
B) scattered evenly throughout the universe, a product of the Big Bang itself.
C) only around the supergiant stars like Betelgeuse that make their heavy atoms.
D) primarily in the dense dust clouds.
E) on the surfaces of the coolest class K and M stars only.