Petroleum and coal are examples of
a natural resources exhausted in Southern Africa c. natural resources that must be imported into
Southern Africa
b. natural resources that are found in Southern d. natural resources that are banned in Southern
Africa
Africa because of pollution

Coal and petroleum are categorised as fuel minerals. These are carbonaceous fuels. These are extracted from earth and are formed by fossil decomposition and are hence called fossil fuels. These fuels form a major source of energy.

Explanation:

the use of email to replace slower surface mail.

d. direct