also not all water is healthy water https://en.wikipedia.org/wiki/Anoxic_waters https://en.wikipedia.org/wiki/Anoxic_waters https://en.wikipedia.org/wiki/Bioa

also not all water is healthy water https://en.wikipedia.org/wiki/Anoxic_waters https://en.wikipedia.org/wiki/Anoxic_waters https://en.wikipedia.org/wiki/Bioaccumulation https://en.wikipedia.org/wiki/Bioaccumulation rediscovering ancient sea states, this Blue Planet went through extreme anti-fertile stages. "recovery" necessarily includes devolving to those states as a possible outcome