The proper way to write the sentence would be "However, no one believed rumors about the Komodo dragon either." Since commas are used after words like "first, second, third, then, finally, however, but..." there would only be 1 comma in this sentence.
I hope this helps!!
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.
Since nothing is underlined i presume that the underlined pronoun is them. It is in the dative case because them is an object and answers the question to whom was something done. Them refers to the trainer's team.