Answer:
For the given question the first option seems to be correct when considering bag of flour.
Explanation:
The first option tells us to use a Balance to record the data in kilograms. Although the selection of weighing scale or machine depends on what kind of item we are going to weight.
Mass = Weight/ Gravity
But here in this case we are given a bag of flour which usually has a weight in kgs which brings us to use of balance which can weigh the floor bag and we can record the data in kilograms.
