Question

1. the mass of an object is determined by: *

a. finding the amount of matter it contains.
b. measuring its weight.
c. identifying the substance from which the object is made.
d. finding its dimensions.

Explanation:

Mass is a measure of the amount of matter in an object. Weight is affected by gravity and is different from mass. Identifying the substance or finding dimensions does not directly determine mass.

Answer:

A. finding the amount of matter it contains