<em>Answer:</em>
<em>a.maximizing rewards and minimizing costs. </em>
<em>Explanation:</em>
<em><u>Social exchange theory</u></em><em> was proposed by a famous sociologist named </em><em><u>George Homans </u></em><em>and is described as the tendency of individuals to weigh the risk of social relationship and potential benefits. In other words, the theory says that an individual's social behavior is often considered as the consequence of an 'exchange process' and the purpose associated with exchange is to minimize costs and maximize benefits.</em>
<em><u>The correct answer for the question is a. </u></em>
<span>glass, air, plastic, rubber</span>
The correct answer is: "remained Communist".
Cuba has been a socialist state governed by the unique Communist Party since the sucess of the revolution leaded by Fidel Castro in 1959, which managed to remove the dictatorship of Fulgencio Batista.
After the collapse of the USSR (1991), Cuba lost its most powerful ally, that had helped them to survive after the trade embargo and the international sanctions that the US had set on Cuba. Therefore, the country experienced very severe economic consequences at this moment but this did not change the government or the economic system.
Meteorology its the study of the weather
