Answer:
E or "The dust found in the interstellar medium aggregates to form the disk."
Explanation:
Used G00GLE, and it said "One says that galaxies were born when vast clouds of gas and dust collapsed under their own gravitational pull, allowing stars to form."
(couldn't use the search engine's actual name)
Answer:
It means that they are relatively the same age.
Explanation:
Rocks are layered, so different rock layers = different times. If two fossils are in the same rock layer, then they must equal the same time or around the same time.
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The answer is sexual reproduction.
THE PROCESS IS CALLED DECOMPOSITION IM NOT SURE ABOUT THE FIRST ONE THOUGH.....HOPE THIS HELPED