Marcel takes out student loans and works part time to put himself through college. In time, he earns an advanced medical degree and goes to work in an understaffed city hospital. Marcel's economic decisions benefit the goal of efficiency by .A. Making his own job-related decisions.
B. Paying back loans to reduce the debt.
C. Contributing to the nation's productivity.
D. Taking advantage of equal opportunities.

Option(c) is correct

Explanation:

According to the question, Marcel's way of working as part time employee for lessening student loan and gaining further medical degree to work in hospital is a measure to be a part to increase productivity of nation .Working part-time ,advanced studying etc is the input that is converted into useful output for nation's productivity.

Other options are incorrect because taking benefit from equal chance scheme, repay of loan and taking job decision for own self are not the methods followed by Marcel to be a part of economic efficiency.Thus, the correct option is option(c).

loess contribute to the flooding of rivers by providing the silt that is washed into rivers and constantly raises the bed of the rivers. this elevation above the surrounding flood plains and dams allow the river to overwhelm the dams and flood thousand of square miles of neighboring flood plains.

there are conflicting perceptions. what cannot be denied is that despite a long history of discrimination, they finally chose to bow out in grace and handed over power to the majority. it was a painful experience for them to part with their prerogatives and some chose to leave the country. however, they did decide to bite the bullet and go through the process with minimum obstructions.

presently, whites are still a force to reckon with. they are well educated, have technical and business expertise, they understand imperatives of good governance and are responsible for keeping south africa connected with developed countries. despite a bitter history, they are useful team members of the south african team.