Answer:I think it's all of the above.
Explanation:Whether you like my view or not but if you respect other people's view plz don't forget to thank me my friend...
By serving there gods and living life as an egyptian
A study of the achievements of pre-Columbian Mesoamerican cultures would show that they "(1) sustained dense populations through <span>intensive agriculture"</span>
Answer:
19 -B --> makes the most sense based on the events in the diagram
20- C --> this is a long-term effect
