(a) On an outline map of Africa, mark and name the:
(i) Equator,
(ii) Greenwich meridian
(iii) Tropics of Cancer an Capricorn
(iv) Cape of Good Hope
(v) Cape Blonco
(vi) Quattara depression
(vii) Zambezi river

(b) In what four wa can the relief of Africa pose problems to the construction of a trans-African highway from the Cape of Good Hope Cairo?

(c) What can be done to minimize these problems?