In the 1950s a Plot of the Position of the Magnetic

question 61

Multiple Choice

In the 1950s a plot of the position of the magnetic north pole through time revealed that

• A)either the magnetic poles had migrated through time or the continents had moved.
• B)polar magnetization varied from pole to pole.
• C)over the past 500 million years the geographic poles changed position at least once or twice.
• D)all of the above.

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Definitions:

Chunking

A method of organizing or grouping pieces of information together to improve the efficiency of memory recall.

Forgetting

The loss or change of memory over time, which can involve the inability to recall information, experiences, or skills.

Encoding

The first step in memory; the process by which information gets into memory storage.

Alphabets

A standard set of letters used in writing one or more languages, typically arranged in a fixed order.