When tectonic plates move or when they rubbed with each other earthquake happens
Long day typically means warmer days short days typically means colder days
Asteroids are made up of metals, oxygen and silicon. Comets are made up of ice, dust and rocky material.
Why might a post classical civilization want to conquer Mesopotamia? It's fertile land provided the foundation for the first human civilizations and its access to the Persian Gulf and location between Europe, Asia, and Africa made it a center of trade.
