The Heat Energy That Powers Tectonic Activity on the Surface

question 420

Multiple Choice

The heat energy that powers tectonic activity on the surface of Earth originates deep in Earth's core.How does this energy move from the core to the surface?

• A) conduction through the solid lower mantle and convection in the upper mantle
• B) convection throughout the entire mantle
• C) conduction throughout the entire mantle
• D) steady flow of hot magna from Earth's core through cracks in the mantle to the lithosphere

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Definitions:

Logistic Regression

A statistical method used to analyze a dataset in which there are one or more independent variables that determine an outcome. The outcome is measured with a dichotomous variable (where there are only two possible outcomes).

Mammogram

An imaging test that uses low-dose X-rays to detect anomalies in the breasts, often used for cancer screening.

Race/Ethnicity

Categories used to describe groups of people with common ancestry, cultural history, or social affiliation.

Multicollinearity

A situation in regression analysis where two or more predictor variables are highly correlated, potentially leading to difficulties in estimating the relationship between variables and outcomes.