14. Did WWI strengthen or weaken Russia?

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.

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."

What is the lithosphere and describe its characteristics?