Question

Which of the following is the correct SI unit to use in measuring the mass of a boulder. Please help!!

A. ounces
B. tons
C. kilograms
D. pounds

(Sorry if I put it in the wrong subject !!)

Answer 1

Tons.
Boulders are definitely heavier than ounces and kilograms.
The only two logical answers would be pounds and tons. But boulders are huge, so it would be tons

Answer 2

For this case, the first thing you should know is the meaning of the acronym S.I.

S.I .: International system

The unit for the mass of any object in the international system is:

m: [kilograms]

Therefore, the unit of measurement of the mass of a boulder is kilograms.

Answer:

the correct SI unit to use in measuring the mass of a boulder is:

C. kilograms