Which major u. s. city is located at where the mississippi river meets the missouri river?

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

answer; the changing age structure of the population;

the answer is implicit statements

compose an essay that argues which health care system is better in terms of economics. analyze the reasons for your determination by covering these points:

-scarcity and allocation of resources -incentives -role of the government -how prices are determined -benefits and drawbacks for consumers in the uk and us -benefits and drawbacks for producers in the uk and the us

be sure to include specific reference to sources and a counterargument. your essay should include an introduction, transitions, and a conclusion.