You Use a Drill Rig to Explore the Subsurface of a Large

question 47

Multiple Choice

You use a drill rig to explore the subsurface of a large slope for ancient slumps and may encounter any of the following features downhole or in core samples you recover from the drill hole.Which feature is least likely to indicate a failure surface of the slump?

• A) decayed leaves and grasses
• B) a layer of conglomerate
• C) a high flow of water at a specific depth
• D) a layer of highly weathered, clay-rich regolith

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Definitions:

Ears

Organs on the sides of the head responsible for detecting sound, maintaining balance, and facilitating hearing.

Bleeding

The escape of blood from a ruptured blood vessel, either internally or externally, which can range from minor to a potentially life-threatening condition.

Discharge

The release of a patient from a healthcare facility following the conclusion of treatment or the process of releasing substances from a site.

Withdrawing

The act of removing oneself physically or emotionally from a situation or substance dependency.