Ajourney to the center of the earth - who is speaking in the sentence, “i will not let yield, i will not retreat even one inch”? a. harry b. gretchen c. hans d. the professor

The character speaking in the sentence “I will not let yield, I will not retreat even one inch” is D. the Professor.

Explanation: The Professor is the one who says "I will not let yield, I will not retreat even one inch” in Chapter XXXIV from Jules Verne's A Journey to the Center of the Earth. He pronounces these words after the group faces fearful dangers during their sea voyage. In the book, the Professor is the uncle of Axel, the protagonist and narrator of the story. Moreover, throughout the novel, the Professor is depicted as an optimistic man.

the best practice

1. keep your workspace clean

2. wash your hands

3. seperate and clean chemicals and equipment

4.   use microfiber cleaning utensils

5. clean and sanitize all work surfaces

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