Scanning titles headings is a metacognitive process to be used:
a. before reading
b. during reading
c. after reading
d. all of the above

The answer is before reading

Explanation:

Because, when we try to read a book,we first see what kind of topic it is and what kind of  meaning it provides us. If the meaning of the title is likable for us, we might read the book.

the answer is before reading on edge

Explanation:

- "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 students want to see the great sphinx of giza, which is very popular with tourists.