There are two continents with an ocean between them. They have very different plants and animals on them now. However, Dr. Nwosu found fossils of the same type of organism on both continents; this type of organism lived in the
same place millions of years ago. Dr. Nwosu is using the fossils as evidence to argue that these continents used to be
touching. How could the continents have gotten so far apart, and about how long did it take for this to happen?

so there was Pangaea, Pangaea split due to the movement of the tectonic plates  about 250 years ago and this was South America and Africa

Explanation:

the aksumite empire was an ancient kingdom located in what is now northern ethiopia from the period of 100 ad to 940 ad. its capital was the city of aksum. the kingdom established itself as one of the 4 great powers at its time, along with persia, rome, and china.

the kingdom was rich in goods like gold, iron, and salt. it established strong commercial ties with the regions governed by rome, egypt, and persia (arabia). aksum was a key location in this commercial network. trade was also facilitated with the introduction of the aksumite currency.