1. First Americans
... was thus enriched by such nutrients as potassium and phosphorous from the ashes and with simple, sharp, pointed digging sticks their hunter-gatherer ancestors had used to dig up edible roots and tubers, the farmers stirred up this virgin soil and planted their seeds. The new crop of grain would have grown magnificently, providing a rich harvest. But, inevitably, with the first ... Mexico continued to increase, more and more of them were built. The islands coalesced into blocks of land separated by canals; trees were planted on them so their maze of roots would stabilize the mushy soil, ...
- Word Count: 3974
- Approx Pages: 16
- Grade Level: Undergraduate