A "Mystery" in Our Understanding of Plate Tectonics Has Been

question 29

Multiple Choice

A "mystery" in our understanding of plate tectonics has been, until recently, the nature of the power source capable of moving the plates and the continents embedded within them. Recent evidence indicates the power source to be:

• A) the readjustment of the surface to continual shrinking of the whole Earth.
• B) convection currents within the Earth's mantle is moving the plates.
• C) the action of ocean currents is dragging along the seafloor, causing the seafloor and the continents to move.
• D) the continual vibration from earthquakes and volcanoes slowly moves the continents equatorward under the influence of centrifugal force.

---

Definitions:

Intentional Physical Contact

Intentional physical contact involves deliberately touching or making contact with another individual, which can range from acts of kindness to assaultive behavior depending on the context.

Battery

The unprivileged, intentional touching of another.

Intentional Tort

A wrongful act knowingly committed.

Intend

To have a course of action as one's purpose or objective; to plan.