What is a situation in which compulsion might be implicit

- "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."

what are the following?

hi my name is bob.hi and bye and this this tahta jjsab jjja

idkexplanation:

make sure you add the 455 plus 468 you can use a calculator to find the answer its 455 plus 458 of textbook