Where Likely Sources of Debris Flows Are a Short Distance

question 48

Multiple Choice

Where likely sources of debris flows are a short distance upstream and the channel gradient is high, ____.

• A)a trip wire is more effective than an acoustic flow meter for debris flow warnings
• B)sirens should not be used in debris early warning systems
• C)warning time for a debris flow may be too short to allow for evacuation
• D)the danger to humans from a debris flow is minimized
• E)debris flows and mudflows will never be covered by flood insurance

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Definitions:

Prototype Theory

A cognitive theory which suggests that when people categorize objects or concepts, they match them against an internal "best example" or prototype of the category.

Folk Theory

A set of beliefs or assumptions that are widely held by the general public but not necessarily backed by scientific evidence.

Furniture

Objects typically found in homes or offices that are used to support human activities such as seating, sleeping, and storing items.

Prototype Theory

Prototype theory is a model of categorization in cognitive science suggesting that mental categories are formed around typical examples or "prototypes" of that category.