Pets who learn that the sound of an electric can opener signals the arrival of their food illustratea. cognitive learning. b.operant conditioning. c.classical conditioning. d.observational learning

The answer is: c. classical conditioning

In a classical conditioning, a certain behavior is learned by associating a certain stimulus with either positive or negative response.

For examples, let's say that every time the pets heard the sound electric can opener, the pets would immediately receive their food from their owners.

In the long run, the pets would associate the sound of the electric opener with the positive reward (in the form of food). This make the pets become most likely to experience biological response (such as watering mouth) every time they hear the electric opener.

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.

the answer is tom watson. tom watson created this epitaph because he wanted to increase the sympathy felt by people towards the murder of mary phagan.