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Q1: It is contested as to whether this
Q4: Which of the following is not a
Q11: Two countries in which herbal medicine still
Q11: Which of the following substances was not
Q15: The country that monopolized the spice trade
Q30: In biological control,a synthetic toxin is introduced
Q42: The major active ingredient in opium is
Q42: According to the pyramid of energy,it generally
Q50: It was the scientist _ who discovered
Q75: Taina and Sean are debating whether men