What is asthenosphere? Earth Science Plate Tectonics Plate Tectonics and Inside Earth 1 Answer Suryin =) Oct 20, 2015 This is a weak layer of the mantle that lies below the lithosphere. Answer link Related questions How does plate tectonics relate to pangaea? How does temperature change as depth increases within the earth? How does density change as depth increases within the earth? How do we know the thicknesses of each layer in the earth? What is different about how the seismic waves generated by earthquakes travel through the inner... What is convection and how is it related to the mantle? What is the lithosphere? What is the crust and what is it mainly composed of? What are the major layers of the earth? Why is earth's surface broken into plates? See all questions in Plate Tectonics and Inside Earth Impact of this question 4824 views around the world You can reuse this answer Creative Commons License