Question

The following items are available for use in a pan balance to measure the

weight of a large rock. Which items will yield the greatest level of accuracy,
that is, approximate the true weight of the rock with the least error? You may
only use items of the kind selected, and may not mix items.
A. Baseballs
B. Shoes
C. Marbles
D. Footballs

Answer 1

Answer: Salt all day

Explanation:

Answer 2

Marbles.

Explanation:

Because you can but the approximate amount together and then take or add until you see fit. since marbles are small and light it increase accuracy.