The answer to this question is Extinction
In the field of psychology, extinction refers to The disappearance of previous behavior that already learnt when that behavior is not reinforced.
In this case, pavlov's dog behavior has been modified to response based on the sound of the bell, and won't dsiplay it unless the trigger exist
Under the reign of President Thomas Jefferson, the exploration generally had negative slavery effects on the Americans.
<h3><u>Explanation:</u></h3>
Westward expansion of the US was taken as the key to nation's health by Jefferson. It began early in 1803. He signed a treaty with France in which the US paid a lumpsum amount of money to buy the land near Mississippi river, which infact doubled the size of the country.
Believing that the US needed to expand west to help ensure its survival and prosperity he took this chance to buy the land from Napoleon Bonaparte of France. Though this resulted not in the expansion of the empire rather it became the reason for the destruction of the republic.
Amazon forest and angel falls are in south america So that is called superlative continent
The District of Columbia is allotted 3 votes. TRUE
Germany is a democratic, federal parliamentary republic, where federal legislative power is vested in the Bundestag (the parliament of Germany) and the Bundesrat (the representative body of the Länder, Germany's regional states).