Whether or not to dilute AMD and reduce heavy metal contamination in old mine tailings in order to safeguard water quality in Lefthand Creek provides an excellent example of the interface between scientific knowledge of a hazard and the factors that go into the ultimate policy decision regarding how to deal with that hazard. It provides a case study in the political, economic, ethical, and social dimensions that factor into that decision. Discuss briefly your perception of the appropriate role for earth science within the decision-making process in a situation such as this.

:; )write a paragraph of two to three sentences and describe what will happen to a society that does not have a productive workforce?

Caleb construction (cc) incurs supervisor salaries expense in the construction of homes. if cc manufactures 100 homes in a year, fixed supervisor salaries will be $400,000. with the current construction supervisors, cc's productive capacity is 150 homes in a year. however, if cc is contracts to build more than 150 homes per year, it will need to hire additional supervisors, which are hired as full-time rather than temporary employees. cc's productive capacity would then become 200 homes per year, and salaries expense would increase to $470,000. how would cc’s salaries expense be properly classified? fixed variable mixed stepped curvilinear

For each of the following situations, indicate whether you agree or disagree with the financial reporting practice employed and state the basic assumption, component, or accounting principle that is applied (if you agree) or violated (if you disagree).wagner corporation adjusted the valuation of all assets and liabilities to reflect changes in the purchasing power of the dollar.spooner oil company changed its method of accounting for oil and gas exploration costs from successful efforts to full cost. no mention of the change was included in the financial statements. the change had a material effect on spooner's financial statements.cypress manufacturing company purchased machinery having a five-year life. the cost of the machinery is being expensed over the life of the machinery.rudeen corporation purchased equipment for $180,000 at a liquidation sale of a competitor. because the equipment was worth $230,000, rudeen valued the equipment in its subsequent balance sheet at $230,000.davis bicycle company received a large order for the sale of 1,000 bicycles at $100 each. the customer paid davis the entire amount of $100,000 on march 15. however, davis did not record any revenue until april 17, the date the bicycles were delivered to the customer.gigantic corporation purchased two small calculators at a cost of $32.00. the cost of the calculators was expensed even though they had a three-year estimated useful life.esquire company provides financial statements to external users every three years.