Why do scientists use standard units of measurement?

Question

because their tools only measure in these units
because other units are either too small or too large to work with
so they can communicate findings without confusion***
so that people who are not scientists cannot understand them

am i right?

Answer 1

Yes, C is the correct answer. You can also look at the first related question below. I hope this helps! :)

Answer 2

thanks Brady:)

Answer 3

You're welcome, SkatingDJ. :)

Answer 4

what is the difference between mass and weight?