Could be a heat rash.
As soon as Nigel appears at a party everyone else quickly dissapears.
Change form: yes. Appear and disappear: no.
when did the Mojave apear and when they disappear
DIS
disappear
Appear
Disappear
Disappear
Disappear, vanish.
salt disappear and back again
No, it never disappears, but it sometimes doesn't get any sunlight to reflect to the earth from the sun and that's why sometimes it doesn't appear some nights but otherwise it is always there.
appear