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Which of the following best describes Sumerian advances in medicine?
a. Sumerians recorded their observations when practicing medicine.
b. Sumerians used natural resources to make healing drugs.
c. Sumerians became effective at treating different symptoms and parts of the body.
d. Sumerians became skilled at using milk, figs, and salt in treating people.
What is (c.) Sumerians became effective at treating different symptoms and parts of the body?