Oceanic Lithosphere

question 13

Multiple Choice

Oceanic lithosphere

• A) Is made of alternating bands of rocks of different compositions.
• B) Is made of alternating bands of rocks of two different ages.
• C) Records magnetic "stripes" of normally and reversely magnetized rocks.
• D) Moves gradually toward the midocean ridges, where it is consumed.

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Definitions:

F Statistic

A ratio of two variances that is used in ANOVA or regression analysis to assess the significance of group differences or the contribution of predictor variables.

Main Effect

The primary effect of an independent variable on a dependent variable in an experimental or observational study.

Gender

A social construct that refers to the roles, behaviors, activities, expectations, and norms considered appropriate for individuals based on their perceived sex.

Degrees of Freedom

The number of independent ways by which a dynamic system can move, without violating any constraint imposed on it, indicating the amount of independent information available to estimate another piece of information.