When an Alpine Glacier Flows Through a Valley, It Makes

question 28

Multiple Choice

When an alpine glacier flows through a valley, it makes the valley wider by

• A)abrasion.
• B)plucking.
• C)deposition.
• D)dissolving.

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Definitions:

Opportunity Cost

The cost of foregone alternatives; the value of the best alternative given up when a decision is made to choose one option over another.

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs, representing the trade-off between different choices in the allocation of resources.

Opportunity Cost

Giving up possible gains from several options by choosing a particular one.

Bowed Outward

A description of the shape of a curve on a graph, such as the production possibilities frontier, indicating increasing opportunity costs.