The physical setting of Africa is defined by its relief, drainage, climate and vegetation, among others. These...
Day: February 4, 2023
Parturition (labour) is the expulsion of the foetus, placenta and foetal membranes from the uterus. After about...
When the embryo has been implanted, it produces four extraembryonic membranes (membranes outside the body of the...
Industrial enterprise in Nigeria can be broadly classified into (i) local arts and craft, and (ii) modern...
