Which of the following is not a primary organ of the digestive system（）
A. liver
B. stomach
C. large intestine
D. pharynx
Which event marks the end of the Wars of the Roses（）
A. Battle of Bosworth Field
B. Campaign between Spanish Armada and English Navy
C. Dissolution of the Monasteries
D. English Renaissance
Fruits are a good source of which nutrients（）
A. Vitamins, carbohydrates, and minerals
B. Fats, carbohydrates and fiber
C. Minerals, vitamins, and fiber
D. Protein, fiber, and vitamins
In eutrophic lakes, which conditions are conducive to the growth of algae（）
A. Increase in pH
B. Decrease in pH
C. Increase in dissolved oxygen
Decrease in dissolved oxygen
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