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  1. T

    How did the cavemen end the last ice age? pollution? litter? did they invent the suv?

    Or it is maybe that ice ages come and go regardless of human activities?
  2. T

    Weird chemical reaction fish tank almost black?

    Weird chemical reaction fish tank almost black? My fish died. But the tank still looked good(plant rocks and stuff) so i poured bleach in it i thought it would make the tank crystal clear but instead it turned very dark brown in less than a week. Anyone understand why?
  3. T

    Weird chemical reaction fish tank almost black?

    My fish died. But the tank still looked good(plant rocks and stuff) so i poured bleach in it i thought it would make the tank crystal clear but instead it turned very dark brown in less than a week. Anyone understand why?
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