The answers are b.water scarcity and then d. dust storms . this is because it is very dry and lacks water x
In 1787, a Russian statesman and former lover of Catherine the Great named Grigory Aleksandrovich Potemkin hastily erected a number of phony “mobile villages” along the banks of the Dnieper River. ... Accurate or not, the terms “Potemkin village” and “Potemkin facade” (or simply the word “Potemkin”) have stuck.
I think it is some city in china
During the Hellenistic Age, Archimedes made advancements in "mathematics"--specifically in the realm of geometry, since he developed innovative ways to calculate volume, area, etc.
