Ideas, Theories, or Thoughts Generally Used to Explain Abstract Subjects

question 58

Short Answer

Ideas, theories, or thoughts generally used to explain abstract subjects fall under the ________ category of informative speech topics.

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Definitions:

Scoria Cone

A relatively small type of volcano that is cone shaped and mostly composed of scoria; synonymous with cinder cone.

Volcanic Dome

A dome-shaped volcanic feature, largely composed of solidified lava of felsic to intermediate composition.

Caldera

A large volcanic depression that is typically circular to elongate in shape and formed by collapse of a magma chamber.

Volcanic Mudflow

A rapid flow of volcanic ash mixed with water, often melting snow or glaciers, that moves down the slopes of a volcano, also known as a lahar.