Answer:
Agriculture yielded more food, which made denser human populations possible, thereby supporting city development. Farming led to dense, settled populations, and food surpluses that required storage and could facilitate trade. These conditions seem to be important prerequisites for city life.
Answer:
The Caspian Sea lies between Europe and Asia.
Explanation:
Yes mammals became abundant after the extinction of dinos because without the dinos around animals would be able to produce without the worry of getting eaten. They will be free to find food and find their fellow species as well.
Answer:
it has seasons because the axis is tilted
Explanation: