Option A contains you fragment, the second scentence does not contain a noun.
Answer:
In most of the schools cell phones are not allowed and also most of the people think that cell phone has alot of disadvantages and in schools cell phones are the cause of disturbance.
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.
The Journal of Madame Knight shows that Sarah Knight took care of the family's business with mastery, causing the business to grow and remain economically stable and strong throughout her administration. This is because she had a strong knowledge of economic and accounting concepts, as well as she knew well about the legal concepts necessary to promote the growth of her companies. That's because in addition to the family business, she was able to manage a store and several properties.
