Question

how are bias by omission and bias by selection of sources similar?
both leave out essential information on an issue.
both use emotional language to describe an issue.
they present information for both sides of an issue.
they present all the information from a single source.

Explanation:

Bias by omission leaves out key - info. Bias by source - selection may choose sources that don't present full info, so both omit essential info.

Answer:

A. Both leave out essential information on an issue.