After looking at the photograph given above, one sedimentary rock that probably metamorphosed to form rock on unit 6 is called limestone. You can also use the sedimentary rock called dolostone. Both will be acceptable answers to this question.
Sub-Saharan Africa's equatorial area is known as Equatorial Africa. There are 13-14 nations, so I'm guessing you want Ethiopia, Rwanda, Kenya, and Somalia, which are the most well-known. Savannas in the north and south, as well as mountains and tropical rain forests, characterize the landscape.
D. Darryl gives Mike a collectible football jersey.
Commodity money is a form of currency that's value exists within and of itself. A commodity is used to trade for the sum of money at which it has perceived value. If a collectible football jersey has been appraised at $250, then as a commodity, the jersey may be used to trade for goods or services of the same value.
I believe your answer to be limestone, good sir.
