Missisippi River
Ohio River
Lake Erie
Lake Heron
Lake Ontario
Answer: Archaeologists use a range of other records alongside the matrix to represent and analyse the spatial relationships between stratigraphic units.
Explanation: such as drawn plans and, increasingly, the spatial components of the site represented in a GIS.
Answer: along the sea coast
As a result, historians have identified several different Mesoamerican societies that they believe influence the Aztec people in terms of their political, economic and religious practices. These include: Olmec, Toltec and Teotihuacan.
They are all part of earth's layers.