Theories of the Evolution of Glaciers Include,as Possible Causes,all of the Following

question 12

Multiple Choice

Theories of the evolution of glaciers include,as possible causes,all of the following EXCEPT

• A)periods of excessive dust in the atmosphere.
• B)changes in the shape,the tilt,and the seasonal positions of the earth's orbit around the sun.
• C)the drifting of continental plates over tropical regions.
• D)the periodic changes in the amount of solar energy received on the earth's surface.

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Definitions:

Variables

Features or characteristics that can vary among individuals or over time and that researchers measure, manipulate, or control in a study.

Pearson Product-moment

A correlation coefficient indicating the degree of linear relationship between two variables.

Curvilinear Relationships

A relationship in a statistical model where the change in the outcome variable does not follow a straight line, but rather a curve, as the value of the predictor variable changes.

Linear Relationships

Relationships between two variables that can be depicted with a straight line on a graph, indicating a constant rate of change.