Withdrawal of groundwater for irrigation in the San Joaquin Valley of California caused the water table to drop by 75 meters.
Pumping has been greatly reduced, the aquifer is slowly recharging, and water for irrigation is now provided by canals that bring water from the adjacent Sierra Nevada. What else might be done to insure an adequate water supply for the foreseeable future? A) Local governments could establish water conservation ordinances.
B) Local agriculture could practice water-conserving irrigation techniques.
C) People dependent on the agriculture of this region could eat less meat.
D) all of the above
Question 2
Ions are ________.
A) atoms that have gained electrons
B) atoms or groups of atoms with a net electrical charge that is not equal to zero
C) atoms that have lost electrons
D) all of the above
Earth, water, air
The Water Cycle
Irrigation of the Ear
A typical eye wash station. A thorough flushing of the eyes with water is the first and often the ...
Dramatic growth of algae in water treated with phosphate
Water as a Solvent