Solid waste management in some communities  poses serious risk to the environment. What are the four main categories and techniques that can be used to managed the risk once the risk has been identified.

A metal plating company is planning to treat its waste sludge to recover the nickel from it. Would this be: (a) Recycling (b) Reusing (c) Reclaiming Explain your answer.

Describe the features of Municipal solid waste.

With an assumption that the volatility of Waste Management (WM) is 14.49% per year, corresponding to ______ per month, ______ per week, and ______ per day.   A.   4.26%        /           2.07%              /           0.91%   B.   4.18%        /           2.04%              /           0.91%   C.   3.16%        /           2.01%              /           0.91%   D.   1.21%        /           0.28%              /           0.06%