North korea and south korea have never sigfned.

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Which number identifies the guyot? a. 1 b. 2 c. 3 d. 4 e. 5 f. 6

An refers to a specific factor that has a range of possible values