Yes, some things can disappear.
By disapear, if you mean visually, sure; it happens all the time.
It will only disappear if earth disappears. It won't!
Antarctica is a continent -- one of seven on earth. It is unlikely to disappear.
no
Possibly.
No, it is a verb.
Yes, no one could ever disappear without a trace.
It survives.
assistant
what is it called when something seems to disappear in a solution
No.
Endangered Plants are plants that are about to disappear for ever or already have.
No, because we cannotsee the black hole itself. We can however infer that things are falling in from the massive amounts of energy released from the presumed accretion disks as they get hot from the friction of matter crowding closer together before it can disappear into a black hole.