1-Write a
definition for the following concepts and add an image to clarify your ocean
trenches: Long narrow steep - sided depresion in earths oceanic crust , above
subduction zone.
Mis-ocean
ridge: An elevated region with a central valley on ocean floor at the boundary
between two divergin tectonics plates.
Fault
(tectonic):In geology, a fault is a planar fracture or discontinuity in a
volume of rock, across which there has been significant displacement as a
result of rock mass movement
San Andreas
Fault:the
San Andreas Fault, marks the slippery yet sticky boundary between two of
Earth's tectonic plates. It is responsible for the biggest earthquakes in
California, up to at least magnitude.
Formation of
Island: An island or isle is any piece of sub-continental land that is
surrounded by water. Very small islands such as emergent land features on
atolls can be called islets, skerries, cays or keys.
Formation of
Mountains: were formed as a result of Earth's tectonic plates smashing
together.
explanation:ocean
trenches,mid-ocean ridge,fault,San Andreas fault,formation of islands and
formation of mountains
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