Are You Deficient in Iron?

Iron is essential for so many metabolic places. In some parts of the world, if not many, iron is actually deficient. It might be because the iron got mopped up in the great oxygenation event two billion years ago. If you just get iron powder and spray it over most ocean anywhere in the world, bingo, you get massive growth in fido plangton. There's a wonderful thing that naturalists are currently rating with scientists and biologists. I alow this from clever person, evolution doesn't have to be perfect, just good enough.