Answer:
firm or obstinate continuance in a course of action in spite of difficulty or opposition.
The answer is B. Keyword being "theory of radioactivity" and "influential scientists of the century." It's a persuasive keyword that will hook the readers. What is theory of radioactivity? How did her theory garner her the title of influential scientist of the century?
Choice A is vague and hardly persuasive. It's only characterizing her traits: curious and determined.
Answer:
The pause helps emphasize the speaker’s sadness and regret.- C.
yes because they was slaves