27. Which of the following describes a "negative effect of China's geographic features forming natural barriers? a. China's geographic features limited expansion into other lands and isolated them from other cultures.

b. China's geographic features made it easier for Chinese civilizations to trade with outside civilizations.

c. China's geographic features made it easy for outside invaders to attack.

d. China's geographic
features promoted expansion into other lands and made it easier to share ideas with other
cultures.

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

Which type of market produces the highest level of output at the lowest price to consumers?

Known officially as a parliamentary democracy, but sovereign to the united kingdom, which canadian official is the head of canadian government? a) the president of canada b) the prime minister of canada c) the governor general of canada eliminate d) the royal canadian mounted police