(b)(i) Four physical features of the Niger Delta are:
(i) Climate is hot and wet characterized by heavy rainfall and high temperatures
(ii) It has a dense and luxuriant mangrove swamp forest
(iii) Niger delta is purely a lowland area
(iv) The place is entirely swampy
(ii) Four physical features of the North- Central Plateau are:
(i) The relief is dominated by the highland of Hausa land with flat summits
(ii) It is the widest, well-drained region in Nigeria giving rise to many rivers
(iii) Climate is continental with low rainfall and moderate temperature
(iv) The vegetation is purely the Sudan type with abundance of grasses.