Question

Which layer is MOST responsible for the movement of continents?
(1 point)
the outer core
the asthenosphere
the mantle
the continental crust
2. What is the main cause of earthquakes and volcanic eruptions? (1 point)
the melting of oceanic crust
the continental crust cracking in a given location
collisions between tectonic plates
friction between the the mantle and the asthenosphere

Answer 1

1.b.the asthenosphere.
2.c.collision between tectonic plates.