Answer:
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What you're looking for in here is the hardness: a material can scratch another material if it's harder than it.
So the desired material cannot be harder than amphibole, which has a hardness of 6.
But it has to be harder than fluorite, which has a hardness of 4.
So we're looking for a hardness of between 4 and 6 and from the table we see it's magnesite (we'll need a hard magesite) - this is the correct answer!
Isn’t it Popular sovereignty? Do u need to know why or is that it
Answer:
It is good to be a good citizen and do our obligations as well as our responsibilities.
Explanation:
This is all the responsibilities a good citizen would do.
