Ground water vocabulary A. Aquifer
B. impermeable
C. Discharge area
D. Drawdown
E. Groundwater
F. Hydraulic gradient
G. Hydro geology
H. Recharge area
I. Saturated zone
J. Unsaturated zone
K. Water table
L. Permeability

One disadvantage that darwin faces today is w. enemy attacks x. natural disasters y. lack of land bridge z. high population density

Which of the following characteristics define a state? check all that apply. a. a population of people b. a sovereign government that determines how a group of people is ruled c. an army, military, or police force d. a territory with set borders

Compare and contrast the four types of crystals