Study

Modifying the Environment

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  • Positive consequence
    a good thing that happens
  • Why are herbicides added to crops?
    kill unwanted plants like weeds
  • Destruction
    to destroy or take down
  • Why were the wetlands being drained?
    increase the amount of land to farm on
  • What is a positive consequence of building dams?
    prevent floods and store water for time when it is needed later
  • What are wetlands?
    large areas with shallow water and soggy soil
  • What is the negative consequence of cutting down a forest?
    can cause soil erosion
  • Why are pesticides added to crops?
    kill insects and other pests that eat the crops
  • What is a negative consequence of building dams?
    Can lead to flooding of homes and relocation of those close
  • Fertilizer
    natural materials or chemical added to soil to help plants grow
  • Modify
    to change
  • What is one negative consequence of destroying the wetlands?
    The wetlands filter is removed and does not trap pollutants
  • Construction
    to build
  • Negative consequence
    a bad thing that happens
  • Pesticide
    a chemical used to kill insects
  • What are the negative consequences of adding chemicals to crops?
    increased pollution of the environment
  • Why are fertilizers added to crops?
    Helps crops grow
  • Herbicides
    a chemical used to kill weeds or other unwanted plants
  • Why is the forest being cut down?
    Provide needed lumber for building homes also creating farmland
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