81. What is the name of the process by which water is heated to a high temperature and turned into steam to generate electricity?
a) Geothermal energy
b) Hydroelectric power
c) Solar energy
d) Nuclear energy
82. Which of the following is not a benefit of wetland ecosystems?
a) Water purification
b) Flood control
c) Carbon sequestration
d) Excessive nutrient runoff from agricultural activities
83. What is the name of the process by which water is returned to the atmosphere through the leaves of plants?
a) Infiltration
b) Runoff
c) Transpiration
d) Evapotranspiration
84. Which of the following is not a factor that contributes to ocean acidification?
a) Carbon dioxide emissions
b) Agricultural runoff
c) Nitrogen and phosphorus pollution
d) Industrial discharges
85. What is the name of the process by which water is treated to remove contaminants before it is released into the environment?
a) Wastewater treatment
b) Water purification
c) Water recycling
d) Aquifer recharge
