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Lots of documentation examples don't even work, e.g.: GeoGraphics[Entity["SolarSystemFeature", "OlympusMonsMars"], GeoRange -> Quantity[400, "Miles"]] returns: GeoGraphics::wdata: "Unable to download data for ranges...
oops .... to many {km} at the end of model1. This is the correct version: Model1 = ParametricNDSolve[{ Ca'[t] == ((Vmax Cb[t])/(Km + Cb[t]) - Pdiff Fuc Ca[t] + Pdiff Cb[t])/Va, Cb'[t] == (Pdiff Fuc Ca[t] - Pdiff Cb[t] - (Vmax...