Columnar Joints, Like the Ones Shown in the Photograph, Are

question 98

Multiple Choice

Columnar joints, like the ones shown in the photograph, are formed:

• A) when hot but solid igneous rock contracts
• B) when hot liquid igneous rock contracts
• C) when hot but solid igneous rock expands
• D) when hot liquid igneous rock expands

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Definitions:

Median

A statistical measure representing the middle value in a set of data, dividing it into two equal halves.

Distribution of Scores

The way in which a set of scores is spread out across the possible values, which can be depicted in a graph.

Correlation Between Two Variables

A measure indicating the extent to which two variables change together, showing the strength and direction of their relationship.

Positive Correlation

A relationship between two variables where both either increase or decrease together, indicating a direct association.