10 points each and brainliest for the first to answer!
word bank:
buffer, radioactive

a(n) substance has a regularly repeating arrangement of atoms.

a crystal has a regularly repeating arrangement of atoms

i'd say that the moon rock is about 2.2 billion years old.

the answer is c most of the fortnite players usually buy v bucks to get the battle pass and other cosmetics but some players who are referred to as "no skins" don't   buy skins and are usually noobs.

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