A comma splice or comma fault is the use of a comma to join two independent clauses.
For example: It is nearly half past five, we cannot reach town before dark.
The comma splice is sometimes used in literary writing to convey a particular mood of informality.
Another example: The sun is high, put on some sunblock.
MORE CAUTIOUS SORRY FOR PUTTING IT IN ALL CAPS BUT
Elizabeth should ask, "Which traits show Theseus's heroism?" using a current article from a scholarly website for research. A scholarly website is a more reliable source of information than a newspaper article published in 1990 that most likely didn't have anything to do with this subject.