Walter has been working at his computer for the past 2 hours and the hum that he found so annoying when he started no longer bothers him. The change in Walter’s sensitivity to the noise from the computer illustrates the principle of:

sensory adaptation            

Explanation:

Sensory adaptation is described as a phenomenon in which an individual experience a reduction in the 'sensitivity' that is being related to a specific stimulus after he or she is being exposed to it constantly. Because sensory adaptation is capable of reducing an individual's awareness related to a specific and a constant stimulus, however, it is responsible for freeing up his or her resources and attention in order to attend to some other stimuli in the surrounding environment around him or her.

The given statement represents 'sensory adaptation.

false

true

true

false

true

jefferson hoped to establish trade with the native american people of the west and find a water route to the pacific. jefferson also was fascinated by the prospect of what could be learned about the geography of the west, the lives and languages of the native americans, the plants and animals, the soil, the rocks, the weather, and how they differed from those in the east.

abolish

do away with

unanimous

in complete agreement

secede

separate; break free

inauguration

starting a new position with a formal ceremony.

cooperationist

people who wanted the north to cooperate with the south

surrender

to give up

volunteer

perform a service for free

draft

involuntary service in military

retreat

withdraw; move away from enemy

advisor

expert who gives advice

explanation: