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Verbal·Expression of Ideas·Rhetorical Synthesis
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While researching a topic, a student has taken the following notes:
  • Kale is a vegetable that contains ascorbic acid, an essential nutrient for humans.
  • Blueberries are fruits that contain ascorbic acid.
  • There is 120 milligrams (mg) of ascorbic acid per every 100 grams (g) of kale.
  • There is 10 mg of ascorbic acid per every 100g of blueberries.
  • Humans cannot make ascorbic acid in their bodies, so they must get it from foods, including fruits and vegetables.
  • Ascorbic acid is also known as vitamin C.
The student wants to make and support a claim that kale is a better source of vitamin C than blueberries are. Which choice most effectively uses relevant information from the notes to accomplish this goal?
A
Kale contains ascorbic acid (which humans cannot make in their bodies), and blueberries do too.
B
Blueberries contain 10 mg of vitamin C per 100 g, but kale is a better source of vitamin C; in fact, kale contains 120 mg per 100 g.
C
Kale is a better source of vitamin C, also known as ascorbic acid, than blueberries are.
D
Humans must get vitamin C from foods like kale and blueberries because they cannot make it in their bodies.