Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
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The aztecs used olmec styles for temples and the mayan calendat for rituals conducted in them
Explanation:
a p e x
Answer:
Native Americans lived in a wide variety of homes. Different tribes and peoples built different types of homes. What kinds of homes they lived in depended on the materials that they had available where they lived. It also depended on the kind of lifestyle that they lived as well as the environment.