Wind and water erosion, but don't worry that is a very, very slow process.
Erosion by both wind and water.
Islands Disappear was created on 2009-10-13.
It is so you can see edvanchers in this word like go to disney land but it is hawaii and there is lots of islands and vocanols.
A natural occurrence which causes mountains to to disappear is erosion, and to form is an earthquake (I think).
A catalyst
Evaporation.
Evaporation
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plants and animals that die seem to disappear because it causes danger for the person or children
move
whales
Nene