Arecent news story reported that when a newly engaged woman gave some change to a homeless man, her ring fell into his coin jar. after he proceeded to return it, he received a large sum of money in donations from people touched by the story. this is an example of the

This story is an example of the just-world hypothesis or just-world fallacy.

Explanation:

According to the just-world hypothesis, a person is going to be rewarded if she or he performs a morally good act, and punished in case of performing a morally bad act. It comes from the belief that the world is fair and every action in the world has consequences. As a result, good people are rewarded, while bad people are punished.  

Here, the homeless man returned the engagement ring (morally good act) and was received donations (reward for a morally good act).

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

the factors that the economies of the muslim empires prosper were:

1- land trade routes-located between three continents  

2- sea trade routes

trade contributed to the spread of muslim empires, and with that islamic culture led to a growing feeling of internationalism resulted in the transfer of technology, science, and other cultural forms.