In act iii of shakespeare macbeth which two statements correctly states the significance

Macbeth's degenerating mental state becomes apparent in this scene

It becomes clear that macbeth and lady macbeth are no longer partners in crime

- "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."

the correct answer is the first one.