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Which is the best definition for the term rock?
A. A rock is made of one or more minerals that have been cemented, squeezed and heated, or melted and cooled together.
B. A rock is made of a single mineral that has been weathered to become hard. C. A rock is a solid or liquid that forms from the breakdown of minerals. D. A rock is a substance that has luster, cleavage, magnetism, and can scratch other rocks.

Respuesta :

i think its B it sounds more right than the others

Allinventor
The answer is A because minerals are what make up an object, in this case, a rock. And since you asked for a  definition this is the closet because it includes lava rocks and gravel. Also, a rock can be more than one mineral and it doesn't have to be magnetic. Also, it is the build up of minerals, not the breakdown.

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