Answer:
90 meters.
Explanation:
The correct answer is: B.) 90 m
Answer:C, Atoms of iron are different from atoms of nickel.
Explanation:All the atoms that make up each type of element are alike, and they are different from the atoms that make up every other type of element. So the element iron is different from the element nickel because the atoms that make up the iron are different from the atoms that make up the nickel.
Answer:
I guess B
Explanation:
Because it stop by it self so that is digital
Mass of the milkyway galaxy :

The magnitude of the mass of the Milky Way galaxy = 
<h3>Can galaxies recycle stars?</h3>
Galaxies do not appear to have sufficient matter inside them to keep shaping modern stars at the rates that they do. Presently, astronomers have caught a universe within the act of reusing fabric that it already tossed out, which may clarify the discrepancy. New perceptions give the primary coordinate evidence of gas streaming into distant galaxies that are effectively making infant stars, offering support for the "galactic recycling" theory.
To learn more about galactic recycling, visit;
brainly.com/question/6272572
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