Share Modifying the Environment
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Modify
to change
Positive consequence
a good thing that happens
Negative consequence
a bad thing that happens
Herbicides
a chemical used to kill weeds or other unwanted plants
Pesticide
a chemical used to kill insects
Fertilizer
natural materials or chemical added to soil to help plants grow
Construction
to build
Destruction
to destroy or take down
What are wetlands?
large areas with shallow water and soggy soil
What is one negative consequence of destroying the wetlands?
The wetlands filter is removed and does not trap pollutants
Why is the forest being cut down?
Provide needed lumber for building homes also creating farmland
What is the negative consequence of cutting down a forest?
can cause soil erosion
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 is a negative consequence of building dams?
Can lead to flooding of homes and relocation of those close
Why are fertilizers added to crops?
Helps crops grow
