What happens when magma meets water? How hot is pyroclastic flow? How many underwater volcanoes are there in the world? What forms when a magma chamber empties and collapses? What does pyroclastic flow consist o
Why doesn't Mars have active volcanoes today? (A) All of the lava already escaped. (B) The planet lost its internal heat to cold space. (C) The volcanoes are just dormant and will erupt again. Why is sand drier than clay? What are the inner core and outer ...
a) where the earth's crust is especially thick as a result of water seeping into the core from the surface. b) when the earth's core erupts onto the surface in subduction zones or in rift valleys. c) after earthquakes have damage What causes a tsunami? a...