Image: A factory dumps pollution in a lake
A factory dumps a fixed amount of pollution $R$ each day into a lake which has a river running through it with daily flow of water $F$. This leads to the an amount of chemical waste $W_t$ and chemical concentration $C_t$ for day $t$ after the factory opens.
Image file: factory_dump_pollution_lake.png
Source image file: factory_dump_pollution_lake.svg
Source image type: Inkscape SVG
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