The Continental Crust Extends ________

question 76

Multiple Choice

The continental crust extends ________.

• A)only to where their shorelines occur; beyond that is oceanic crust
• B)beneath the continental shelf through to the toe of the continental slope
• C)beneath about half of the ocean basins wherever it is shallow
• D)deep into the mantle wherever there are subduction zones

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Definitions:

Boat Conformation

A specific geometric arrangement of atoms in cyclic molecules resembling a boat, less stable than the chair conformation.

Cyclohexane

A cycloalkane composed of six carbon atoms arranged in a ring, with molecular formula C6H12, used as a solvent and in the manufacture of nylon.

Cis-1-Ethyl-3-Methylcyclohexane

A specific isomer of a six-membered ring compound with ethyl and methyl substituents in a cis configuration.

Stable Conformation

The most energetically favorable arrangement of atoms in a molecule that minimizes strain.