In the region surrounding Orlando, Florida, effluent produced by secondary wastewater treatment is
A) routed through special oxidizing chambers before entering the St. Johns River system.
B) routed through wetlands before entering the St. Johns River system.
C) used to produce drinking water for the city of Orlando.
D) used for livestock drinking water in the nearby farms.
B
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Faults are:
A) cracks where displacement has occurred. B) fracture planes along which rocks used to move but don't any longer. C) fractures in the bedrock. D) fracture planes along which rocks move.
Which of the following is true of eutrophication in marine systems?
A) It does not occur. B) It is rare and occurs only in bad weather. C) It provides needed limiting nutrients. D) It can aid corals by killing parasites. E) It can lead to algal blooms and red tides that kill fish.
The difference between active and passive remote sensing systems is that
A. active systems emit their own energy while passive systems simply detect existing energy signals. B. active systems can operate throughout cloud or fog cover while passive systems require clear sky conditions. C. active systems involve the latest generation of satellites while passive systems use signals from older satellites. D. active systems include aerial photography while passive systems rely on satellite imagery.
Public opinion polls show that most people are willing to make personal sacrifices to protect the environment.
Answer the following statement true (T) or false (F)