A septic system is ________
A) the use of natural wetlands to cleanse wastewater
B) a second level mechanism to remove bacteria at a wastewater treatment plant
C) an early version of a wastewater treatment plant
D) a rural method of processing wastewater
E) a toxic or badly polluted waterway
Answer: D
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When 100 J of heat is added to a system that performs 60 J of work, the thermal energy change of the system is
A) 0 J. B) 40 J. C) 60 J. D) 100 J. E) none of the above
As the population explodes, the proportion of resources used remains the same. Indicate whether the statement is true or false
What is a major problem with carbon capture and storage strategies?
a. They are extremely expensive. b. Huge amounts of bio char are required. c. They require large amounts of water. d. They create other kinds of pollution. e. They decrease the efficiency of automobiles.
Privatization of water services has ensured that water is clean and helpful and affordable in many parts of the developing world
Indicate whether the statement is true or false