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History, 26.04.2021 21:30 coltonwsmith

What caused the pottery to turn black? a.
They were allowed to always be exposed to the air.
b.
They were allowed to always be exposed to rain.
c.
When they were covered with manure, oxygen was increased.
d.
When they were covered with manure, oxygen was reduced.

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What caused the pottery to turn black? a.
They were allowed to always be exposed to the air....
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