(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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Horizon C
ice expands when freezing and breaks rock
weather SLOW
plant roots
iron in the rock reacts with water and oxygen to weaken the rock
mixture of weathered rock, water, air & humus
rockslide breaks rock down on side of mountain
acid rain dissolves minerals in statues
alteration and breakdown of rock by chemical reaction
water, wind, and ice dropping off sediment
water dissolves minerals in limestone and creates a cave
layer of rock beneath soil
wind and water weather a rock by friction
Horizon O
decaying organic material from plants and animals
Horizon R
breakdown of rock by water, wind, ice, gravity, and living organisms
water, wind, ice & gravity
determines the type of soil that forms
Horizon B
breakdown and movement of sediment
wind picking up and depositing sand in the desert creates a
