Which region of Earth did John Tuzo Wilson believe was broken into plates?

lithosphere

outer core

lower mantle

asthenosphere

Many more earthquakes occur along the San Andreas Fault in California than in other parts of the United States. Scientists claim that these earthquakes are caused by activity along a transform plate boundary.Which evidence would best support this claim?

Subduction causes new crust to form.

Subduction causes old crust to be destroyed.

Plates slip past each other at the boundary.

Plates collide with each other at the boundary.

Which statement describes John Tuzo Wilson’s contribution to the theory of plate tectonics?

He proposed that plates carry parts of the seafloor.

He theorized that pieces of Earth move for a limited time.

He suggested that the asthenosphere is broken into segments.

He observed seafloor cracks similar to existing cracks in the continents.

Into which layer of the Earth do plate boundaries extend?

outer core

lithosphere

lower mantle

asthenosphere

Study the image about convection currents.

Study this image.

A volcano is forming.

Plates are converging.

A rift valley is forming.

A transform boundary is occurring.

Occasionally earthquakes occur as a result of collisions along oceanic-continental convergent boundaries. Where do these earthquakes most likely occur?

on land but close to oceans

inland, far from the coast

in the middle of the oceans

anywhere there are mountains

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