Answer:
concern over germs
Explanation:
Contamination is a type of OCD characterized by obsessive concern about germs.
The Second Industrial Revolution, also known as the Technological Revolution, was a phase of rapid standardization and industrialization from the late 19th century into the early 20th century.
Answer:
Greece's steep mountains and surrounding seas forced Greeks to settle in isolated communities. Travel by land was hard, and sea voyages were hazardous. Most ancient Greeks farmed, but good land and water were scarce.
Explanation:
this is how they isolated