a parent is looking at their kids backpacks and wants to compare their masses. what is the best tool to find…

a parent is looking at their kids backpacks and wants to compare their masses. what is the best tool to find the mass of each bag?\na ruler\nb beaker\nc graduated cylinder\nd balance
Answer
Brief Explanations:
A ruler measures length, a beaker and graduated cylinder measure volume. A balance is used to measure mass.
Answer:
d. balance