<prompt> How much land is required for a population of 10000, to have a deep trench5 acre3 acre2 acre1 acre  <response>: Sanitary landfillcontrolled tipping- most satisfactory method when land is available Trench, ramp, area method. In trench method it is estimated that one acre of land per year will be required for 10000 population. Ref:- K Park, 24th ed; pg num:- 791 