The Himalayas now reach an elevation of 8.8 km, and radiometric dating suggests that their uplift began about 45 Ma ago. Assuming a constant rate of uplift, how fast did the Himalayas rise? - km/yr? - m/yr? - mm/yr?

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.