The stream will not permanently rise higher than the main source; and the main source of national power and national greatness is found in the average citizenship of the nation
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.
Only the science student can apply for the post.
