Question

what will we do with waste materials? waste water, garbage, sewage, industrial pollutants--the amount of waste produced grows each year. the increasing amount of waste materials also requires a growing need for professionals in the field of
a world politics.
b energy conservation.
c environmental engineering.
d marketing and cost analysis.

Explanation:

Environmental engineering deals with waste management, including wastewater, garbage, and industrial pollutants. As waste materials increase, environmental engineers are needed to handle and manage these wastes effectively. World politics (A) is more about international relations and policies; energy conservation (B) focuses on reducing energy use; marketing and cost analysis (D) are related to business promotion and financial assessment.

Answer:

C. environmental engineering