How did the kings of Ghana become wealthy? A.
They mined salt from the region and sold it to neighboring regions.

B.
They controlled how much gold was available for trade.

C.
They used the trans-Saharan trade route to acquire expensive ivory.

D.
They learned to make weapons from iron and sold them to neighboring empires.

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users