Answer:
Gladwell's purpose is to pinpoint that by sacrifice, children should have equal opportunity to achieve success.
Explanation:
Gladwell pointed out that summer vacation is one of the major challenge to education in American. Stating categorically that summer break unconsciously segregate higher income children from lover income children. Because during summer vacation, children who cannot afford the demands are mostly unproductive. Thus, it a period of a wasted time for them.
He was able to achieve his purpose by stressing that success requires giving children equal opportunity, and this is possible by sacrifice, giving those who do not have the opportunity a chance.
C. Preposition : among; object of the preposition : leaves.
True. Poverty can be caused by rapid population growth because people will be competing for resources especially important resources like food. Rapid population growth will eventually result to overpopulation which means there will be a rapid increase in demand however supply may increase but not that much. Thus, shortage will eventually happen which leads to poverty.
I believe B. Specific to a certain subject and C. requires knowledge of denotative meaning. Hope this helps