During the Maximum Extent of the Last Ice Age, Which

question 172

Multiple Choice

During the maximum extent of the last Ice Age, which region remained free of ice cover?

• A)northern Siberia
• B)Greenland and Iceland
• C)southern Ontario
• D)central Yukon an portions of central and western Alaska

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Definitions:

Wolff-Kishner

A chemical reduction process that completely removes oxygen from a carbonyl group, converting it into a methylene group.

Hydroxylamine

A compound with the formula NH2OH, used as a reducing agent and in the synthesis of various chemicals.

Benzaldehyde

An aromatic aldehyde with the formula C6H5CHO, known for its almond-like scent and used in the synthesis of other organic compounds.

Diethyl Acetal

A volatile, colorless liquid used as a solvent and as an intermediate in organic synthesis, formed from ethanol and acetaldehyde.