[10GEO] Read the following passage; then answer the question…
Read the following passage; then answer the question that follows. … At Tenochtitlán, the Aztecs perfected an unusual method of farming. They built huge rafts, covered them with earth, and floated them on the lake. On these chinampas, or “floating islands,” they grew enough maize and vegetables to feed their expanding population comfortably. Eventually, roots from the tree rafts attached themselves to the bottom of the shallow lake to become permanent foundations for buildings.… — Lois Athey Which conclusion is best supported by the information in this passage?