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By volcanoes under the sea that get bigger and bigger - and become islands..
because they were formed under the sea so when they erupt the can form tsunamis
Yes, there are active volcanoes under the sea.
Capes can be formed by glaciers, volcanoes, and changes in sea level
Volcanoes under the sea created them. (and are still underneath them)
Sedimentary rock is formed using dead sea animals' shells and are formed by thousands-millions of years of crushing together under the sea bed. Igneous rock means "born from fire" and is made in volcanoes.
There are more under water than on land.
Mayon volcano
the skeletons of tiny sea animals
The island-arc volcanoes are formed from the subduction of an oceanic tectonic plate under another tectonic plate, and often parallel an oceanic trench.
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thats when poo is formed