(a) Draw a sketch map of Africa and on it show:
(i) latitudes 30°N and 35°S;
(ii) longitudes 15°W and 20°E;
(iii) one area each of equatorial climate, tropical continental climate and desert climate;
(iv) one major town in each climatic belt.

(b) Explain any four ways in which the tropical continental climate affects the vegetation in the area.