What Is the Angle of Repose

question 63

Multiple Choice

What is the angle of repose?

• A) the angle of bedding on hills where layers dip parallel to the slope
• B) the angle of fractures on hills where fractures dip parallel to the slope
• C) the angle at which rainfall strikes an unstable slope
• D) the steepest angle at which loose material remains stable

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Definitions:

Operant Chamber

In operant conditioning research, a chamber (also known as a Skinner box) containing a bar or key that an animal can manipulate to obtain a food or water reinforcer; attached devices record the animal’s rate of bar pressing or key pecking.

Confined Cage

A restricted space or enclosure used to hold animals, prisoners, or any subject within a compact area, limiting their movement.

Operant Behaviors

Behaviors that are controlled through the consequences of a behavior, such as rewards or punishments.

Voluntary Behaviors

Actions that are performed consciously and willingly by individuals.