The correct answer is 5 mass.
So the complete sentence would be: "Mass is the amount of matter in an object."
Fill in the blank is the amount of matter in an a object
1 technology
2 standard
3 applied research
4 pure research
5 mass
6 graph
7 volume
8 density
9 SI
10 chemistry
11 matter
12 society
13 physics
14 error
1 answer