What Is the Feature Numbered 2 in the Upper Left

question 49

Multiple Choice

What is the feature numbered 2 in the upper left part of this figure?

• A) cirque
• B) U-shaped valley
• C) lateral moraine
• D) terminal moraine

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Definitions:

Increasing

Becoming larger or greater in size, number, value, or amount.

pKa

A quantitative measure that reflects the acid strength of a substance; the lower the pKa value, the stronger the acid.

Methanol

A light, volatile, colorless liquid with a distinctive alcoholic odor, used as an antifreeze, solvent, fuel, and as a denaturant for ethanol.

Ka

An abbreviation for acid dissociation constant, a quantitative measure of the strength of an acid in solution, representing the equilibrium constant of its dissociation.