(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. 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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geologic feature
relative age
oldest layer
geologic event
earth
uniformitarianism
youngest layer
lateral continuity
large number of species disapear from a time period
extinctions
