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In some countries,____________________ keep the price of water so low that users do not worry about water waste.
Q12: Which of the following is/are liquefied petroleum
Q15: The overuse of _ can cause bacteria
Q17: What is one disadvantage of using biomass
Q29: What is the greatest importance of elemental
Q36: Which activity consumes the largest amount of
Q47: Which statement is true about the situation
Q63: Legally declaring a track of land as
Q73: _% of the wetlands of the prairie
Q80: Which of the following best describes the
Q88: Geothermal heat pumps and geothermal exchange may