Nima is almost 6 years old. According to the text, Nima and MOST children her age already know of nouns and verbs and they understand many parts of speech.

The answer that I found is THOUSANDS. Hope this helps!

Explanation:

h it's isaac again my bad i just seen this and i was like hey she's a fwend but yeah wussup

- "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."