What Process Resulted in the Formation of the North American

question 14

Multiple Choice

What process resulted in the formation of the North American central lowland that lies in between the two major mountain ranges of the continent?

• A) A colossal volcanic eruption split North America in half, and the central lowland, once an intercontinental sea, was filled in by glacial activity.
• B) Earthquakes opened and flattened what was once a mountainous area.
• C) Material that erodes from the Rocky Mountains has been deposited by wind, rain, and rivers.
• D) Early European settlers cleared and flattened a hilly landscape so that they could more easily farm the area.

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Definitions:

Multiple Determination

A statistical measure represented as R^2, indicating the proportion of variance in the dependent variable that can be predicted from the independent variables.

Regression Hyperplane

In multivariate statistics, it's a flat subspace that best fits the data points in a regression analysis.

Total Variation

The overall measure of variability or spread in a dataset.

Predictor Variables

Variables that are used in statistical models to predict or explain changes in the dependent variable.