________ Have the Most Extensive Occurrence at the Surface of the Continental

question 88

Multiple Choice

________ have the most extensive occurrence at the surface of the continental United States?

• A) Igneous rocks
• B) Intrusive rocks
• C) Sedimentary rocks
• D) Basaltic rocks
• E) Metamorphic rocks

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Definitions:

Flash Floods

Rapid flooding of geomorphologic low-lying areas - washes, rivers, dry lakes, and basins caused by intense rainfall events or sudden release of water.

Soil Erosion

The removal of topsoil by water, wind, or human activity, leading to loss of nutrients and soil fertility.

Alluvial Fans

Cone-shaped deposits of sediment crossed and built up by streams, typical at the base of mountain ranges in arid and semi-arid climates.

Hazardous Zone

An area that poses risks to human health, property, or the environment due to natural or human-made hazards.