First of all tell me what were Hindus before Hinduism ?
Or you can take example of any religion..
Before a certain identity, all were just human beings.
No, they don't have to take anythying before praying.
Yes, Sikhs can eat with hands.During the langar session they can eat with hands and sometimes with spoon too.
sikhs do believe in the big bang theory. it was written in the guru granth sahib ji before scientists found out.
Muslims, Hindus, and Sikhs
to take your shoes of
Sikhs is not real
Sikhs have gurudawaras
Since the meetings are of Sikhs, so usually Sikhs are present there.
Sikhs join the Khalsa.
Yes Sikhs have weddings.
cover headremove shoes and sockswash hands ( sometimes feet)
Sikhs wear a kara, kirpan, kaccha, kanga, and kesh to show that they are Sikhs and that they are proud.