The Lower Part of a Glacier Where There Is a Net

question 52

Multiple Choice

The lower part of a glacier where there is a net annual loss of ice from melting and sublimation is the zone of __________.

• A) striation
• B) evaporation
• C) till
• D) ablation
• E) ne´ve´

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Definitions:

Glucose

An essential energy-providing simple sugar found in living entities and a constituent of a wide variety of carbohydrates.

Hemiacetal

A functional group formed by the reaction of an aldehyde with an alcohol, consisting of a carbon atom bonded to an OH and an OR group.

Carbonyl Group

A functional group found in organic compounds, consisting of a carbon atom double-bonded to an oxygen atom (C=O), characteristic of ketones, aldehydes, carboxylic acids, and esters.

Methylene Group

A bivalent functional group (-CH2-) consisting of a carbon atom bonded to two hydrogen atoms.