Demeter might look however she wishes in myth.Click link below, then scroll down to see some depictions of Demeter.
Demeter was depicted as a mature woman, often crowned and holding sheafs of wheat and and a torch.
Demeter's symbol is wheat.
Helios, the sun god. He sees everything happen and when Demeter goes to look for Persephone, Helios tells her what happened
Demeter and Hestia were her sisters. She also had three brothers Zeus, Poseidon, and Hades.
There was no "god of Demeter", Demeter was a Greek goddess.
Demeter
Demeter was not married. Demeter had two consorts in Karmanor and Iasion.
Demeter was older. Demeter was born of Cronus and Rhea. Her brothers were Zeus, Hades, and Poseidon. Since Artemis is a daughter of Zeus, Demeter's youngest sibling, Demeter has to be older. This also makes Artemis Demeter's niece.
Demeter is a girl. Demeter was a Greek goddess of agriculture.
demeter
No. Demeter is a Greek name. The Roman name for Demeter is Ceres.