________ is a form of market failure which refers to an action of an individual or organization that affects the welfare of others, whether on purpose or not

In science, conceptual models ________ reality

A) duplicate B) nullify C) challenge D) represent

What position would a centralist be most likely to take on the restrictive immigration laws in Arizona and Alabama?

a. A centralist would support these laws, based on the principle that each state should be able to create its own immigration policy. b. A centralist would oppose these laws, based on a preference for a consistent national policy over varying state policies. c. A centralist would support Arizona's law, but oppose Alabama's. d. A centralist would oppose both policies on the grounds that government should not be involved in immigration issues.