How will pollution affect our water resource?

Which of the following describes what rocks usually are composed of ,

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.

According to the population pyramid, in 2000 china had about 120 million people in which age-group?