A the first source you use

B research you collect first-hand

C research done by someone else

A the author is an expert in his or her subject

B they are easy to read

C they have multiple authors

A an interview you conducted

B a source at a secondary school

D an interview you found in a magazine

A there aren’t enough web pages

B it’s hard to find access to the Internet

C anyone can put anything on the web

A your teacher says it is

B you can make a nice-looking chart

C it will save you from wasting time on irrelevant sources