The first great west african kingdom was
mali
ghana
bantu
mauritania

Ghana

Explanation:

The first great west African Kingdom was Ghana, founded new the 300 AD, with the city of Koumbi Saleh as its capital, the West African Kingdom of Ghana was succesful because it controlled trans-saharan trade and several gold deposits that made the empire very wealthy and powerful. The myth says that the Ghanese kingdom had so much money that the horses and camels of the king were tied up to rocks of gold.

halibut, flounder, tuna, and trout are all fish. so your first answer is 1.) fish. and since fish is edible, your next answer would be 3). edible

to describe those fishes more thoroughly, some of those fishes live in fresh water, and some of the fishes live in salt water, and that is not a thing that they all have in common. the question is asking what is common with all of the fish, so answer choices 2). fresh water and 4). salt water are not right.