The Part of the Mantle Located Directly Below the Lithosphere

question 45

Multiple Choice

The part of the mantle located directly below the lithosphere is called the ______________.

• A) stratosphere
• B) Mohorovicic discontinuity
• C) mesosphere
• D) asthenosphere

---

Definitions:

Arc Chutes

Protective devices designed to extinguish electrical arcs that can occur in switchgear or circuit breakers, by dividing and cooling the arc.

Pull-in Current

The current required to bring an electric motor up to full operational speed from a standstill.

Dropout Current

The minimum current level at which a device, like a relay, deactivates or returns to its "off" state.

Magnetic Lines

Invisible lines of magnetic force that emanate from magnetic fields, showing the direction a magnetic force acts.