Number 15 pls

Suppose that a flower nursery benefits from having a butterfly farm located only a few miles away, because the presence of the insects greatly improves flower pollination. lawyers for the two companies meet to draft a legal document specifying the number of butterflies the farm promises to maintain in exchange for payments to be made by the nursery. which of the following types of private solutions to the externality of pollination has occurred in this case? charities moral codes and social sanctions integration of different types of businesses contracts it’s important to note that sometimes private solutions to externalities do not work. for example, this occurs when communications barriers or social customs are important enough relative to the potential gains involved that (a) the government must step in (b) the private solution is not feasible (c) the market system has a crisis

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

No renewable resources are natural resources that are limited in supply and cannot be replaced as quickly as they are used.(true or false asnwering) a.true b.false