Why do new stars generally form in close proximity? What will ...

[EAugust]

Why do new stars generally form in close proximity?
 
  What will be an ideal response?

Question 2

Large molecules found in meteorites and interstellar clouds are evidence that
 
  A) life is abundant in the galaxy.
  B) life has definitely formed in other places than Earth.
  C) organic molecules are extremely rare.
  D) chemical evolution has taken place elsewhere in the universe.
  E) life originated on Mars before Earth.

[SeanoH09]

Answer to Question 1

As a gas cloud collapses, it breaks into smaller fragments. Each of these fragments in turn break into still smaller fragments. As the process continues, the small fragments become protostars and then stars.

Answer to Question 2

D