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The Prevailing Winds in Vancouver,B

question 26

Essay

The prevailing winds in Vancouver,B.C.,blow from west to east.How likely is Vancouver to be inundated with volcanic ash the next time Mt.Meager,Mt.Baker,Mt.Rainier,or Mt.St.Helens erupts?


Definitions:

Sensory Modalities

Various forms of senses through which living organisms perceive the world, such as sight, sound, smell, taste, and touch.

Detecting Pain

The physiological and psychological process by which organisms recognize and respond to stimuli that are noxious and potentially harmful.

Jnd

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just noticeable difference.

Absolute Threshold

The minimum intensity level of a stimulus required for a person to detect its presence at least half the time.

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