Increased variability in rainfall may decrease groundwater recharge in humid areas. why?
global warming will affect groundwater indirectly. how?
glaciers and snow caps fed rivers important for groundwater volumes. why?
reduction in groundwater in coastal areas big problem. why?

What is the correct order (starting from the surface) of warts layers

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.

The standard deviation of a population is 3.2.what is the margin of error? enter your answer in the box.