How are galaxies important to our existence?
A)Without galaxies,there could not have been a Big Bang.
B)Without galaxies,the universe could not be expanding.
C)Deep in their centers,galaxies created the elements from which we are made.
D)Galaxies recycle material from one generation of stars to the next,and without this recycling we could not exist.

Question

Quizplus · Accepted Answer

Galaxies recycle material from one generation of stars to the next, including the elements necessary for life, such as carbon, oxygen, and nitrogen. Without this recycling, the raw materials necessary for life as we know it would not exist.

How Are Galaxies Important to Our Existence