Why were iron tools more difficult to obtain than copper ones? O A. Iron requires a lot of sea salt. B. Iron requires ore, which is rare in Africa. C. Iron requires copper for smelting. D. Iron requires

Why were iron tools more difficult to obtain than copper ones?

O A. Iron requires a lot of sea salt.
B. Iron requires ore, which is rare in Africa.
C. Iron requires copper for smelting.
D. Iron requires more advanced technology.

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Why were iron tools more difficult to obtain than copper ones? O A. Iron requires a lot of sea salt. B. Iron requires ore, which is rare in Africa. C. Iron requires copper for s…

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