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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:

• Cranberry juice has a pH value of approximately 3.4.
• Grapefruit juice has a pH value of approximately 4.0.
• Substances with pH values below 7 are acidic.

The student wants to say what cranberry juice and grapefruit juice have in common. Which choice best uses information from the notes to do this?

A

Cranberry juice and grapefruit juice are both acidic substances.

B

Cranberry juice has a pH value that makes it acidic.

C

Cranberry juice and grapefruit juice have pH values of approximately 3.4.

D

Acidic substances have pH values of 4.0.