Diamond is the hardest substance in the world
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yes.
30 on the WORLD'S HARDEST GAME on AddictingGames
c b s e is the hardest course in the world
No, diamond is the hardest known natural substance in the world.
no thats why it is the world hardest game
cheats to the hardest game ever
it is TITANIUM
IRAN
This question!
it will be ................................................... YEET
proteins,carbohydrates,lipids,nucleic acids