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.
The answers are; avoid assumptions and personalise information.
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Answer:
Now, both Germany and England are both heading towards being members of the same extranational entity the EU. One thing that might seem like a big difference is that the UK is a monarchy whereas Germany is a federal republic. But that's not such a mammoth difference when looking at the history at a larger scale.
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B.
randomization is often hard to achieve.