The water in an aquifer is more likely to be polluted if the aquifer does not have a water table.
lies below a layer of impermeable rock.
is close to the surface..
is recharged as quickly as water is removed.

Science

What group has historically made up the largest portion of immigrants in mexico?

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Acity developer is considering building an amusement park near a local river. what tool would the developer predict the future path of the river? a. series of city maps from nearby cities b. series of topographic maps in chronological order c. guide map of the new amusement park d. thermal map of the area