(a) Draw a sketch map of Nigeria. On the map, show and name: (i) a delta (ii) a man-made lake;
(iii) a confluence town; (iv) the Jos Plateau.
(b) Outline any three physical factors that limit the use of rivers for transportation in Nigeria.
(c) Highlight three possible solutions to the limiting factors mentioned in (b) above.
(b) Outline any three physical factors that limit the use of rivers for transportation in Nigeria
(i) Some rivers with deltaic mouths
(ii) Presence of debris
(iii) Presence of waterfall, rapids and cataracts on the river courses
(iv) Presence of water weeds
(v) Seasonal fluctuation In the volume of river (vi) Short lengths of rivers
(viii) Swift flow of some rivers In the rainy season
(viii) Narrow channels and gorges
(ix) Silting of rivers.
Highlight three possible solutions to the limiting factors mentioned above
(I) Construction of dams
(ii) Continuous clearing of weeds
(iii) Dredging of rivers
(iv) Construction of canals
(v) Use of smaller/light vessels
(vi) Building of locks
(vii) Clearing of debris
(viii) Channelization
(x) Construction of road/rail to circumvent rapids, cataracts
(x) and waterfalls
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