Question 30 (1 point)

Question

According to the Theory of Plate Tectonics, why are the plates moving (and therefore the oceanic and continental crust as well) ?

Plate tectonics | Definition, Theory, Facts, & Evidence | Britannica

a
The tectonic plates upon which the continents sit are blown by the global winds across the atmosphere.
b
The tectonic plates upon which the continents sit are floating around on the semi-liquid asthenosphere of the mantle.
c
The tectonic plates upon which the continents sit are being pushed around by the weathering forces that affect the lithosphere.
d
The tectonic plates upon which the continents sit are being moved by conservation of momentum as animals walk across the surface.

Answer 1

The correct answer is:

b
The tectonic plates upon which the continents sit are floating around on the semi-liquid asthenosphere of the mantle.