Which is a mark of a galaxy formed by collapse?(1 point)

uniformly young stars

same age stars

abundant gas and dust

a mix of young and old stars
The Milky Way has changed course to head toward Andromeda.

All galaxies will collide at some point.

The two galaxies have collided previously.

Astronomers have observed their movements over time.

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.