When conducting research for supporting materials, it is imperative to remember:

a. there is one right source for certain information.

b. always to take notes and record.

c. always do a personal interview.

d. use only the most current source of information.?

When conducting research for supporting materials, it is imperative to remember B. always to take notes and record.

This can be quite important if you want to have enough resources and other materials in order to conduct a research of your own. Later on you can use these notes as references and find additional resources to complete your research.