The interstellar clouds called molecular clouds are
A)the clouds in which elements such as carbon,nitrogen,and oxygen are made.
B)clouds that are made mostly of complex molecules such as carbon dioxide and sulfur dioxide.
C)the hot clouds of gas expelled by dying stars.
D)the cool clouds in which stars form.

Question

Quizplus · Accepted Answer

Molecular clouds are cool clouds in which stars form. They are the birthplaces of new stars and are made up of dense clumps of gas and dust, primarily hydrogen molecules.

The Interstellar Clouds Called Molecular Clouds Are