What are the citizens of louisiana dissolving themselves of?

c. taught scientists many new things about the earth, but not other planets.

explanation:

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; ///relational devaluation;

answer; the residents of american samoa elect a nonvoting delegate to congress;