The Force That Causes Pyroclastic Volcanoes to Explode Violently Is

question 47

Multiple Choice

The force that causes pyroclastic volcanoes to explode violently is:

• A) density differences within the magma that force part of the magma upward.
• B) pressure from volcanic gases.
• C) chemically volatile substances that explode within the magma.
• D) hot convection currents in the asthenosphere that push magma upward.

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Definitions:

Vertex

A corner point where two or more lines, edges, or rays meet, often used in geometry.

Sketch

A rough or unfinished drawing or painting, often made to assist in making a more finished picture or as a preliminary study.

Graph

A visual representation of data or mathematical functions in a coordinate system, often used for easier interpretation or analysis.

Quadratic Formula

A formula that provides the solutions to a quadratic equation ax^2 + bx + c = 0 as x = (-b ± sqrt(b^2 - 4ac))/(2a).