Earth's Water and Human Activity Crossword Puzzle

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  • argument : a statement or series of statements for or against something.
  • conserve : to use or manage (natural resources) wisely; preserve; save.
  • technology : science or knowledge put into practical use to solve problems or invent useful tools.
  • natural resources : anything not made by man including water, sunlight, trees, minerals, and fossil fuels (oil).
  • per capita : by or for each person.
  • freshwater : naturally occurring water found in ice caps, rivers, streams, lakes, ponds, and groundwater.
  • agriculture : the use of land for farming and raising animals for food-farming.
  • saltwater : water found in seas and oceans containing high levels of salt. also known as saline.
  • domestic : relating to home or family.
  • desalination : a process that removes salt from sea water to produce drinkable water.