When researching a topic, it is important to use sources that are o biased
o inaccurate
o credible
o unreliable

C. credible

Explanation:

A credible source is an information source that is unbiased, trustworthy and reliable. Also, a credible source is typically backed up by evidence from various information channels and should be accurate.

In order to validate a credible source, it is necessary to ensure that the information provided is checked against other reliable sources to verify its level of accuracy.

As a rule, any credible source should have multiple ways to validate the informations being presented.

Hence, when researching a topic, it is important to use sources that are credible so as to avoid peddling fake, unreliable, false and unfounded informations.

in general, fiction refers to plot, settings, and characters created from the imagination, while nonfiction refers to factual stories focused on actual events and people. however, the difference between these two genres is sometimes blurred, as the two often intersect.

explanation:

the correct answer is:   [d]:   " espionage " .

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