a) Draw a sketch map of Nigeria. On the map. show and name one area with: (i) Mangrove swamp vegetation: (ii) Rain forest vegetation: (iii) Guinea savanna v...

a) Draw a sketch map of Nigeria. On the map. show and name one area with:
(i) Mangrove swamp vegetation: (ii) Rain forest vegetation: (iii) Guinea savanna vegetation: (iv) Sudan savanna vegetation. 
(b) Name three types of trees found in the forest zone of Nigeria. 
(c) Explain four contributions of forest vegetation to the economic development of Nigeria.