Surface water which included rivers, lakes and open canals.
Ground water from wells.
Rain water which was seasonal during rainy season. They used to collect water in tanks and rain containers. Major crop production like rice and corn grow only during rainy season.
For PLATO:
Maya: Created hieroglyphic writing system
Developed the accurate calendar systems
Constructed Chichen Itza
Aztec: Built Tenochtitlan
Sustained 20mil population
Grew floating gardens
Papers that argued for federal views; it conflicted with non-federal papers. federal papers argued for a strong central government, while anti-federal papers argued for strong state governments
The answer is D have a good day
I’m pretty sure the answer is true