Answer:formal argument is stating the facts and giving details about your argument.
Explanation:
The main purpose of the detail is to show that recycling is important. Statistic shown by B can help show that recycling is not deemed important but should be.
A) The medical information
Since 1913, the medical knowledge has vastly changed. Medical terms that are today common-knowledge (DNA, chemotherapy, etc.) were not even in existence in 1913.
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