(Print) Use this randomly generated list as your call list when playing the game. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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P-The discharge of chemicals into the environment
O-Disruption of Food Chain
H-Deforestation
O-Extreme use of resources that diminishes returns
H-Fishing
I-When an organism moves into a new area
H-Land is converted from usable to unusable habitat
O-Poor Soil Conservation
P-Free!
P-Increasing human populations bring increasing threats