From which of the following do spiral galaxies form?

AHigh-density proto-galactic clouds
BRapidly spinning proto-galactic clouds
CColliding/merging proto-galactic clouds
DRapidly cooling proto-galactic clouds

Verified Answer :

The correct answer to
the question that is stated above is letter B, rapidly spinning proto-galactic clouds 
The Milky Way is an example of a spiral galaxy.

Spiral galaxies came from a rapidly spinning proto-galactic clouds. They are formed from the collapse of a proto-galactic cloud.

Answer:

B. Rapidly spinning proto-galactic clouds

Explanation: