Final answer:
Passage 1 appeals to ethics through the speaker's position as a dentist, while Passage 2 appeals to logic by citing facts about students' fruit consumption.
Step-by-step explanation:
The statement that accurately contrasts the persuasive techniques used in Passage 1 and Passage 2 is option a) Passage 1 appeals to ethics through the speaker's position as a dentist, while Passage 2 appeals to logic by citing facts about students' fruit consumption.