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____________________ uses biological methods such as digestion to treat municipal waste water.
Q7: Desalination may be accomplished by<br>A)distillation<br>B)reverse osmosis<br>C)salt-eating bacteria<br>D)distillation
Q8: Surface mining can result in deforestation.
Q12: A(n) _ is an element or inorganic
Q23: Over an extended period of time, the
Q24: The purpose of the 1872 U.S.<br>a.General Mining
Q38: Common antimalarial drugs have become more effective
Q44: The Colorado River system can be said
Q81: After almost 60 years of research, there
Q93: Food production worldwide is now less than
Q106: Soil in the United States is eroding