listen to the a and b sections of rejoice greatly from handel’s messiah. which best describes the b section?

b) the planets year length would be longer

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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; geography and region;

answer; expert witness;