Humans Affect Environment Crossword Puzzle

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  • endangered : a species that is in threat of extinction
  • farming : growing crops and raising livestock
  • pollution : the introduction of harmful substances or products into the environment:
  • habitat : an ecosystem or natural environment where animals live
  • economy : the exchange of resources and money
  • navigation : directing the course of a ship, aircraft, or guided missile
  • industry : trade or manufacture of products
  • highway systems : a network of roads connecting cities and countryside.
  • native species : species that live in a region naturally
  • population : the number of people in a specific region
  • volcano : a vent in the earth's crust through which lava, steam, ashes are expelled.
  • ecosystem : the interaction of a community of organisms with their environment.
  • transportation : a way to move people and goods from place to place
  • dredging : machinery digs up sediment to open up navigation channels in the great lakes
  • irrigation : to move water to areas where it is needed through pipes, canals, and sprays.
  • invasive species : when species are brought into an ecosystem where they do not naturally live