Riddle: I’m everywhere a little but you can’t see, unless I’m colder than ice and dry as can be. If I find a little tree I might help it to grow, and if you look very close, you’ll see two Os.
Show answer
Carbon dioxide (CO2).
Riddle: I’m everywhere a little but you can’t see, unless I’m colder than ice and dry as can be. If I find a little tree I might help it to grow, and if you look very close, you’ll see two Os.
Carbon dioxide (CO2).
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