Question

what is a clue that a source may be biased?
it uses neutral and balanced language.
it has been published by multiple outlets.
it provides sources and citations.
it includes only one side of an issue.

Explanation:

Biased sources typically present a one-sided perspective, ignoring opposing viewpoints. The other options (neutral language, multi-outlet publication, citations) are signs of a credible, unbiased source.

Answer:

D. It includes only one side of an issue.