The Huge Volume of Mafic Magma That Erupted to Form

question 39

Multiple Choice

The huge volume of mafic magma that erupted to form the Columbia plateau basalts of Washington and Oregon are attributed to ___.

• A) sea floor spreading
• B) a hot mantle plume
• C) subduction
• D) magma mixing
• E) meteorite impact

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Definitions:

Cumulative

Incrementally increasing or accumulating over time.

Additive

A substance added to another to enhance or modify its properties, commonly used in food, manufacturing, or chemical processes.

Physiological Arousal

Physiological arousal refers to the body's physical response to stimuli, leading to increased heart rate, muscle tension, and energy, often as a preparation for action.

Appraises

Refers to the evaluation or estimation of the nature, quality, or importance of something or someone.