No: they had handmaidens and attendants to help them, usually other Greek gods and goddesses.
Yes. In fact most of them were related in some way
Isis
The Muses are not reported to have any "weakness" in Greek myth, being that they are Greek goddesses.
some are more important because they have more meaning to life and they were created and first discovered before any of the other less important gods and goddesses
Any human was afraid of the Gods or Goddesses
yes
no
There is not any specific problem associated with a ferret as long as they are taken care of properly they can live a long, healthy life
They can take on any form they wish.
No: they had handmaidens and attendants to help them, usually other Greek gods and goddesses.
Anyone may stop or start worshiping any number of gods or goddesses at any time.
There are plenty of mortals that Zeus killed, but he did not kill any gods or goddesses.
Yes. Paganism is polytheistic, meaning they believe in many deities- Gods and Goddesses alike.
No, all Hades' siblings are Gods/Goddesses.
Yes. In fact most of them were related in some way
Circe is a goddess.