Volcanoes form when ______ reaches the Earth's surface, causing eruptions of ____ and ash. They occur at ___________ and constructive plate boundaries (but not at conservative boundaries) and can be of _____ main types - cone, shield and composite - which have different profiles and types of eruption

Respuesta :

Answer:

Volcanoes form when ___molten lava___ reaches the Earth's surface, causing eruptions of __smoke__ and ash. They occur at ______constrructive_____ and constructive plate boundaries (but not at conservative boundaries) and can be of __3___ main types - cone, shield and composite - which have different profiles and types of eruption

Explanation: