True I think I m not sure
Answer: B) So they can communicate their results without confusion
Explanation: There are other systems besides the metric system, though the metric is the most commonly used system. In the SI international system, all units are derived from each other, forming a unique international standard. That way, all scientists around the world, or at least most of them using the SI system, can communicate in a unique scientific "language" without confusion and misunderstanding.
c) adjustments for moving expenses.
Of multiple reasons. for starters, without the corroperation of the beginning culture, there would be no farming or there might be but they may be hgarder to do because it is a multi man task.
The War Production Board?