Atask force charged with reducing overhead costs meets to define their roles and responsibilities and develop ways to reach the group's goals. tension is fairly high among group members. the team is in the phase of team development.

storming

Explanation:

According to my research on the different phase of team development, I can say that based on the information provided within the question the team is most likely in the storming phase. In this stage group members open up and are more willing to air their different views and opinions. Since different views are shared this can make tensions rise among the members of the group.

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50% i think

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."