Which of the following describes how background research in the design of an experiment?
a. it provides a final opportunity to cancel an experiment before it's too late.
b. it provides a confirmation that no-one else has ever done the exact same experiment.
c. it provides information about what is already known about a particular research question.
d. it provides a good opportunity to talk to other scientists about their life's work.

C. It provides information about what is already known about a particular research question.

Background research is a research which is done before designing a new research plan. This involves a review of complete history and nature of research problem with respect to the existing literature. Therefore, background research provides  already known information about a particular research.

you cant do nothing!

you are dead mate!

say your prayers cause this is your last life!