The Primary Difference Between Lithospheric and Asthenospheric Mantle That Gives

question 61

Multiple Choice

The primary difference between lithospheric and asthenospheric mantle that gives rise to numerous divergent patterns of physical behavior,is ____________.

• A)physical state (the lithosphere is solid;the asthenosphere is liquid)
• B)chemical composition (the lithosphere is mafic;the asthenosphere is felsic)
• C)temperature (the lithosphere is cooler than the asthenosphere)
• D)chemical composition (the lithosphere is felsic;the asthenosphere is mafic)

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Definitions:

Main Effect

The direct influence of an independent variable on a dependent variable in an experimental study, ignoring the effects of other variables.

Marginal Means

The average value of a variable at each level of another variable, often used in the analysis of variance.

Main Effect

The direct impact of an independent variable on a dependent variable, ignoring other potential influencing factors.

Significant

In statistics, it refers to results that are unlikely to have occurred by chance alone, according to a predefined threshold of probability (the significance level).