| A | B |
|---|
| composite volcanoes have a crater made up of alternating layers of ash and lava | true |
| A shield volcano has high viscosity lava | false |
| A volcanic neck is made from durable rock | true |
| Vulcanism is the movement of molten rock after it leaves the volcano | false |
| A dyke is composed of intrusive igneous rock | true |
| A major attribute is that it's plastic | true |
| A batholith is a massive intrusion of magma | true |
| Sea-floor spreading has no relationship whatever to vulcanism | false |
| Obsidian has no crystal structure | true |
| Heat honey and you raise the viscosity | false |
| Pillow lavas form rapidly due to contact with cold ocean waters | true |
| The Andes Mountains are not a good example of a volcanic arc | false |
| volcanoes are generally found where tectonic plates pull apart or come together | true |
| The Mid-Atlantic Ridge is an example of convergent tectonic plates | False - divergent |
| The Pacific Ring of Fire has examples of convergent tectonic plates | True |
