they are physic...
Change form: yes. Appear and disappear: no.
Disappear means to hide away from one's vision or sight.
It only takes about half a second for a ghost 2 disappear.
Energy cannot be created or destroyed, it just changes form, so it can't "disappear."
to disappear
The duration of Swat the Fly is 420.0 seconds.
Swat the Fly was created on 1935-04-19.
Swat it.
Swat the Fly - 1911 was released on: USA: 4 July 1911
Swat the Fly - 1912 was released on: USA: 25 September 1912
Swat the Fly - 1918 was released on: USA: 10 June 1918
swat
FLY
swat them with a fly swatter
You swat them with a fly swatter
FLY
because we have bad reflexes and the fly