The Sharply Defined Boundary That Separates the Crust from the Mantle

question 60

Multiple Choice

The sharply defined boundary that separates the crust from the mantle is called ______________.

• A) the lithosphere
• B) the asthenosphere
• C) the Mohorovicic discontinuity
• D) none of the above.

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Definitions:

Lightning Protection

Systems or devices designed to protect structures and equipment from damage by directing lightning surges safely to the ground.

Grounded

Refers to a direct physical connection to the earth in an electrical system, used for safety and stability of the system.

Insulators

Materials that resist the flow of electrical current, often used to protect or separate conductors.

Electrons Stationary

Conceptually refers to electrons not moving or being in a static state within a material, although in reality, electrons are always in motion due to thermal energy.