Rank of the following African rivers (Niger, Zarie, Zambezi and Nile) in order of navigability?
Nile, Niger, Zambezi, Zarie
Niger, Nile, Zarie, Zambzei
Zambezi, Niger, Nile, Zarie
Nile, Zarie, Zambazei, Niger
Zarie, Nile, Niger, Zambezi
Correct answer is A
No explanation has been provided for this answer.