The answer should be (c) because the dog is the one which make a sound of ooooooo
Today's cosmologists assume that matter was not uniformly distributed in the universe after the Big Bang. Dense places attract more matter than the surrounding area according to their gravitational forces. Over the course of billions of years, these gas agglomerations eventually led to the formation of the galaxies we see today.
C) 6h i’m not that great at math but that’s what i got hope it helps!!