Answer:
Then humans showed up. Today, the Sahara Desert is defined by undulating sand dunes, unforgiving sun, and oppressive heat. But just 10,000 years ago, it was lush and verdant.
Explanation:
Answer:The north of the U.S. was considered to be more advanced because they had a lot better technology and they were more on the industry side, where as the south did agriculture
Explanation:
magic
Answer: hunting and gathering
Explanation: