Add keywords. a. Modify the search query by adding the keyword student, and then conduct the new search. Once again, examine only the first page of results. Now how many useful results appear? b....

a. Modify the search query by adding the keyword
student,
and then conduct the new search. Once again, examine

only the first page of results. Now how many useful results appear?

b. Modify the search once more by adding the keyword
college.
How many useful results appear on the first page of results?