Can someone tell me a bit about the railroad system?

How did the mali empire come to an end? a. rulers lost control of gao. b. they were conquered by axum. c. ghana took over their territory. d. sundiata was captured by mansa musa brainliest!

Atreatment for stuttering in which the person is asked to speak in a singsong fashion, usually with the aid of a metronome is

According to the belmont report, the moral requirement that there be fair outcomes in the selection of research subjects, expresses the principle of: a. beneficence.b. respect for persons.c. justice.