(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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Prevents blood from supplying oxygen to body, causing headaches, heart damage and death
CO2
CO (Carbon monoxide)
Catalytic converter
Power plants/industry, volcanoes, windblown dust, wood stoves, mining
Thermal inversion
lightning, forest fires, plants
Radon
Ways to reduce emissions
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Colorless, reactive gas that is helpful in the stratosphere but harmful in the troposphere
