5)Which is the best summary of the text? a. Polyps are very important because they create the rock
known as limestone, which is used to build things.
b. The coral reefs are natural wonders that are in danger
and we should do everything we can to save them.
c. The fish from coral reefs are very beautiful and you can
see them in aquariums around the world.
d. There are many different ways to catch fish but some of
them are not safe for the environment.​

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

Paleoanthropologists believe that the predominant diet of our earliest omnivorous ancestors consisted mostly of

Agroup of anthropologists from the future want to study the culture and society of the twenty-first century. they cannot find any written documentation of this time period, so they must conduct an archaeological excavation. identify the artifacts, features, and ecofacts they will find during their fieldwork. what will these items tell the anthropologists about our culture and society?