1. which culture carried the knowledge of iron tools across south africa's in the series of migrations?
a. nubian's
b. arabs
c. bantu
d. europeans

2. which group of foreign traders first became involved in eastern africa's slave trade?

a. arabs
b. british
c. dutch
d. portuguese

3. scientist have found of early human beings in eastern africa?

a. musical instruments
b. fossils
c. homes
d. clothing

answer; the correct answer is (composition);

where is the map so i can

hello,

your answer is ready

i believe its either the first or third option but i'm leaning more towards the third option:

the first excerpt makes a logical appeal, while the second excerpt makes an emotional appeal.

your pal

~papaguy

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."