GEOLOGY

EARTH SCIENCE

TECTONICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The theory of plate tectonics states:
A
Earth’s lithosphere is broken into many pieces called tectonic plates that move slowly over the asthenosphere.
B
Earth’s asthenosphere is broken into many pieces called tectonic plates that move slowly over the lithosphere.
C
Earth’s inner core is broken into many pieces called tectonic plates that move slowly over the outer core.
D
Earth’s mantle is broken into many pieces called convection currents that allow heat to travel through the Earth.
Explanation: 

Detailed explanation-1: -Tectonic plates, large slabs of rock that divide Earth’s crust, move constantly to reshape the Earth’s landscape. The system of ideas behind plate tectonics theory suggests that Earth’s outer shell (lithosphere) is divided into several plates that glide over the Earth’s rocky inner layer above the soft core (mantle).

Detailed explanation-2: -Alfred Wegener in Greenland. Plate tectonics is the theory that Earth’s land masses are in constant motion. The realization that Earth’s land masses move was first proposed by Alfred Wegener, which he called continental drift.

Detailed explanation-3: -Plate tectonics is considered a “unifying theory” in the field of geology because it synthesizes the work and theories of most other areas of geology (Oreskes and LeGrand 2003). The generation of mountains, deep-sea trenches, volcanic chains, island arcs, and rift valleys can be explained by plate motions.

There is 1 question to complete.