Plate Tectonics

This solid layer off the Earth is made of mostly iron and nickel

California's San Andreas Fault is identified as which of the following?

What is the energy source that drives plate tectonics and moves the plates?

What type off crust is found under the continents?

Which of the following changes would end Earth's tectonic activity?

The tectonic plates float on which semi liquid layer?

Which off the following geologic events can occur at a transform fault boundary?

Which off the layers is found directly above the earth's core?

About 75% of the world's volcanoes are the result of tectonic activity around which plate?

A cross section of a geologic structure is shown below.  Which term describes it best?

Mountain formation can result when which off the following occurs?

Which explains fossil remains of a reptile found in South America as well as Africa?

At which type of margin does mountain building produce mountains composed of preexisting crust?

Which characteristic of the asthenosphere helps explain the evidence of crustal plate motion?

Which of the Earth's layers is broken into several large tectonic plates?

Which will more likely form when a plate boundary forces a landmass to be pulled apart?

Mid-ocean ridges are places where tectonic plates are doing what?

The Himalayan Mountains were caused by which action?

Which crustal feature forms when two continental plates collide?

The diagram shows the motion of tectonic plates.  What type of fault is pictured?

What is the Earth's only liquid layer?

Where is the Atlantic Ocean crust youngest?

What leads to the creation of island arcs?

Which of these statements is correct?

What is the name of this tectonic plate?