Ecosystem services are required to rebalance natural systems that we have disturbed are economically valuable services provided by natural systems contribute to keeping ecosystems productive are valuable to natural systems but not to human-created systems are not necessary to sustainable systems

As a general rule, when accountants calculate profit they account for explicit costs but usually ignorea. certain outlays of money by the firm. b. implicit costs. c. operating costs. d. fixed costs.

Upper a report about the decline of western investment in third world countries included this: "after years of daily flights comma several european airlines halted passenger service. foreign investment fell 400 percent during the 1990 s." what is wrong with this statement? choose the correct answer below. a. if foreign investment fell by 100 % comma it would be totally eliminated comma so it is not possible for it to fall by more than 100 %. b. the actual amount of the decrease in foreign investment is less than 100%. c. if foreign investment fell by 100%, it would be cut in half. thus, a decrease of 200% means that it would be totally eliminated, and a decrease of more than 200% is impossible. d. the statement does not mention the initial amount of foreign investment.

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