Marcy's primary duties in the group are to keep the discussion on track, suggest procedures, and coordinate the work of the other group members. Marcy is filling some roles.

task roles

Explanation:

The Task Leader is the person that keeps the group focused on the primary goal or task by setting agendas, controlling the participation and communication of the group’s members, and evaluating ideas and contributions of participants.

answer; ///i believe the correct answer is the empire state building;

the density would be a smaller number.