a sociologist conducts a study of how the population of india has changed over the last thirty years, distinguished by age brackets. this study fits with the discipline of

the article must be ratified by three-fourths (38) of states within a proscribed deadline.

source:

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."

b) the bill goes to the president.

hope this

answer; health-related quality of life;