The author writes that he has thought about the "schemes" of others who have tried to address the
problems caused by poor children in Ireland and found these schemes to be
A. dangerous to children
B. hilarious
C. respectable and admirable
D. full of mistakes

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."