Respuesta :
Plate Tectonics is the theory that earths outer shell is divided into several plates that glide over the mantle.
Answer:
Plate tectonics refers to the plate tectonic theory. According to this theory, the earth's lithosphere is divided into many parts which are commonly known as plates. These are of two types, the continental and the oceanic crust (plate). These plates move over the less dense layer of the asthenosphere from one place to another due to the creation of convection current in the layer of the mantle. This type of current forms because of the heat energy provided from the extreme internal part of the earth. This theory was simple and universally accepted and replaced the theory of continental drift discovered by Alfred Wegener.
