Limestone is a sedimentary rock that is composed primarily of calcite. It forms from both the chemical precipitation of calcium carbonate and the transformation of shell, coral, fecal and algal debris into calcite during diagenesis.
To calcu-late the PPF, suppose that Crusoe puts all 8 hours into gathering fruit, so that he gets 36 pounds. But there is no time left for fishing, so he gets 0 pounds of fish. If he takes an hour off from gathering fruit, he gets 35 pounds of fruit and has an hour in which to fishâso he gets 4 pounds of fish.The rest of the PPF is con-structed similarly. 2.ut there is no time left for fishing, so he gets 0 pounds of fish. If he takes an hour off from gathering fruit, he gets 35 pounds of fruit and has an hour in which to fishâso he gets 4 pounds of fish. The rest of the PPF is con-structed similarly. 2.
Robinson Crusoe divides his time between catching fish and gathering fruit. Part of his production possibilities frontier is given in the above table. If Mr. Crusoe is on his PPF and he increases the amount of fruit he gathers from 56 to 90 pounds, the opportunity cost isa.37 pounds of fish.b. 31 pounds of fish.c. 17 pounds of fish.d.34 pounds of fruit.e.f he decides that he needs to gather more fruit and he stays on his PPF, the opportunity cost of his decision is that he willa. have more fruit.b. have more fish.c. not consume as much fruit.d. no longer be producing at a production efficient point.e. All of the above answers are correct.____ 17.