its a composite
yes because it shows this on all known volcano text books
No. Caldera and shield volcanoes are quite different. Shield volcanoes usually undergo effusive eruptions, the least violent type and produce basaltic lava. Caldera forming volcanoes erupt explosively and are the most violent. They generally produce rhyolitic lava.
Karkatoa was surrounded by water, but it is present day Indonesia.
A Sub Glacial Volcano
Mauna Loa type of volcano
It is a cone volcano.
Caldera
A stratovolcano .
It is a shield volcano
it is when the valcanoes
the colima volcano is a stratovolcano type
San Martin Volcano is a shield volcano.