What symbol is prominent on theseus/ banners?

The multitude of myths about Theseus suggest to historians that he may have been a real man who likely lived during the Late Bronze Age. The earliest references to him are from the Iliad and the Odyssey, both written by Homer. His most significant accomplishment was his unification of Attica into the city Athens, which is now the capital of Greece.

your answer is c) experiments with water vapor showed that elements combine in specific proportions.

the objective should be switched