Mid-Ocean Ridges and Subduction Boundaries
Mid-Ocean Ridges and Divergent Boundaries
The amount of water it contains
The amount of silica is contains
Its' melting point
The amount of heavier elements it contains
On the subducting plate
Between the two plates
They do not form at subduction boundaries
On the overriding plate
Chain of volcanic islands
120 kilometers to 500 kilometers
670 kilometers to 2,900 kilometers
6,400 kilometers to 7,640 kilometers
10,934 kilometers to 12,346 kilometers
Combust inside Earth's mantle
Slowly sink to Earth's core
It tends to rise to the surface
Boil from reacting with water.
When magma becomes more dense than surrounding objects
When there is an opening in Earth's surface
When the magma reaches its' boiling point
When magma rises to the surface
A thousand years
All Convergent Boundaries
The elements present in the flow
The temperature and speed of the flow
The temperature and mass of the flow
The elements present in the flow and the speed of the flow
Speed when ejected
Faster than 100 kilometers.
Faster than 1000 kilometers.
Faster than 200 kilometers.
Faster than 300 kilometers.
Carbon dioxide and hydrogen.
Water vapor and hydrogen.
Water vapor and carbon dioxide.
Hydrogen and sulfuric acid.