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.
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 is A) 90 pounds of fruit. B) 17 pounds of fish.C) 34 pounds of fruit. D) 31 pounds of fish.E) 37 pounds of fish.art 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 is A) 90 pounds of fruit. B) 17 pounds of fish.