Which of the following best describes the impact of iron smelting on the natural world?
A. Tools made from iron enabled people to clear woodlands far faster than with tools made from bronze.
B. Iron and bronze metallurgy differed little in how they affected the environment.
C. Because iron was easier to extract than other metals, people had to disrupt nature far less to obtain it.
D. Iron smelting produced less pollution than bronze metallurgy.
Answer: A
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