What is the amount of matter in a body or object measured by its resistance to change in motion?
A) Atom
B) Mass
C) Weight
D) Density
Answer: B
Explanation: A) Incorrect. An atom is the smallest indivisible unit of matter.
B) Correct. Mass is the amount of matter in a body or object measured by its resistance to a change in motion.
C) Incorrect. Weight is a measure of the force of gravity on an object.
D) Incorrect. Density is the ratio of an object's mass to its volume.
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