Which Is the Name by Which the Rigid Crust and Uppermost

question 138

Multiple Choice

Which is the name by which the rigid crust and uppermost mantle are known collectively?

• A)Asthenosphere.
• B)Lithosphere.
• C)Moho.
• D)Gutenberg discontinuity.

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Definitions:

Cyclohexylamine

An organic compound with the formula \(C_6H_{13}N\), characterized by a cyclohexane ring attached to an amine group.

Compound

A compound created when two or more elements combine chemically in specific ratios.

Benzoic Acid

A simple aromatic carboxylic acid with the formula C6H5COOH, used widely as a food preservative.

Methylamine

A simple organic compound consisting of a methyl group linked to an amine group, commonly used in organic synthesis.