4 ms·
Iron sulfide is an unrefined ore that humans could access well before the iron age (if or when they ever had a use for it). Fortunately for the birds (and fish
by whatshisface 5y ago
Iron sulfide is an unrefined ore that humans could access well before the iron age (if or when they ever had a use for it). Fortunately for the birds (and fish with the ecological role of birds) of the world, there are no truly iron snails.