In which of the following locations did agriculture develop last?
a.
mesoamerica
b.
the indus river valley
c.
china
d.
the nile river valley

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false

Technology has affected regional settlement patterns in what ways? choose all that apply. climatic improvement strategies have improved crop productivity. mechanized agricultural methods have improved agricultural productivity. participation in the global economy has increased urbanization. population shifts from urban to rural areas has increased as a result of petroleum production. settlement areas have increased as a result of improved water storage and delivery systems.

Who were the kelvin-rus? describe who influenced them.