questions:1. Explain why the Neolithic Era considered the last great advancement of prehistoric humans?2. Describe the environmental changes that were occurring during the Neolithic Era that enabled this change? 3. Describe nomadic pastoral societies, what do they require and what are the challenges they face today. 4. List the 6 different geographical places did the earliest domestication of plants occur? What did they have in common?5. Describe the process of shifting agriculture, how long has it been around. How has shifting agriculture changed today?