(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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I-Subduction
B-One plate sinks beneath another
G-Antarctic Ocean
B-Rift
B-Continental Drift
N-Granite
O-Carbon Dating
N-They float on the upper mantle
O-Wide Continental Shelf
O-Crust
B-71%
I-Mantle
I-Fault
G-Big Bang
O-Outer Core
O-Basalt
G-Panthalassa
G-Magnetic anomalies, sea-floor spreading, and mid-ocean ridges