What is one question that chapter 3 of alan weisman’s the world without us tries to answer

Which of the following best summarizes the entire passage

Plagiarism can be avoid by a. copying and planting articles found online b.using language directly from outside resources c.using mla format to cite source d.changing a few words when quoting another writer

Which of the following best describes the central idea of the article? a the tuskegee airmen started the civil rights movement by proving that black pilots are more skilled than white pilots. b the tuskegee airmen proved that black and white pilots had the same potential, which break racial barriers. c despite breaking racial barriers, the tuskegee airmen faced racial discrimination and were never recognized for their military success. d black pilots in the military had to work twice as hard as white pilots, and due to a lack of funds they were underprepared.