True, but I wonder how much is retained vs released. You can get little fungus CO2 generators so I assume a significant amount is released.
https://www.mushroomsnaturallystl.com/store/p21/10%23_CO2_Generator.html
IIRC, the reason old trees were able to sink carbon into oil was because they sunk underwater and didn’t decompose in an aerobic manner. Gotta get that carbon back into the deep underground somehow.
Consuming magnets is a stupid idea. That’s how you get holes in your intestine. Were zinc supplements not enough for this guy? Zinc does increase testosterone, but damn, you don’t need that much.