Why is radar useful when mapping areas that tend to be covered in clouds

According ti the following map, what are the most common mineral resources found in the united states?

The desert expands by hundreds of square miles each year.

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.