Under the influence of gravity, over time the dense central part of a galaxy will do what?(1 point)

expand

stay as it is, forces balanced

stay the same size but spin more slowly

contract

D

Explanation:

C. the area was covered by water. let me know if this

Ididnt have which of the following as an option. but a negative feedback loops occur in your body through its own internal controller for maintaining temperature ph, hormone levels, blood sugar and other internal variable levels of homeostasis, which is the optimal internal state at which your body operates