Answer: It emphasizes the idea that bacteria can be both helpful and harmful.
Explanation: Bacterial microbes are essential to helping our bodies work, but also they can also harm us as well. Therefore C is correct.
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Calculators are to past generations as computers are to current generations.
C. <span>You are not allowed on the dance floor unless you are a dancer, the choreographer, or you take photographs. </span>
The foot of the word <em>charter </em>is trochaic, because the first syllable is accented, and it is followed by an unstressed syllable.