Answer:
Mainly Sahara Desert
Explanation:
The region lies just south of the Sahara Desert and is mostly savanna grasslands. Major rivers in the region such as the Gambia River, Senegal River, and the Niger River served as the means of transportation and trade. The capital city of Ancient Ghana was Koumbi Saleh.
Answer:The four major categories of labor are based on the general level of knowledge and skills needed to do a particular kind of job. These categories are unskilled, semiskilled, skilled and professional.
Explanation:
Answer:
neutron
Explanation:
A chain reaction takes place according to the following steps:
- A neutron is absorbed by a Uranium atom which causes a fission reaction where, two new atoms of Uranium are created U-238 and U-235. This also releases three neutrons.
- The U-238 atom absorbs one neutron and the reaction stops. While the U-235 atom absorbs the other neutron and continues the reaction as in the above step.
