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.
Answer:
Exothermic
Explanation:Because when an organism produces bioluminescence, they release heat, which means that exothermic would be correct.
More food means a larger population. More population means a larger workforce for factories.
Answer:
Mountains and bodies of water
Explanation:
Mountains and bodies of water protected empires as it was the mountains that served as a barrier that protected ancient China and was used as an invasion route by the Aryans into ancient India also water bodies provided agricultural facilities which helped in allowing the empires become more successful.