(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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O-Life expectancy
O-economics and social structure
O-this graphs populations over time periods
I-age structure
N-Type II populations
G-adequate food; safe sewage disposal; vaccines
G-food production & improvements in hygiene
O-immigration
N-Type II
populations
B-how demographers make predictions
N-period when human populations experienced rapid growth