2020/2021 WAEC/NECO Answers: 2021 Waec Gce geography answers

 

(5b) 
(i) It blows across the Atlantic Ocean towards the coast of Nigeria. 
(ii) The wind is warm and wet thereby bringing rainfall. 
(iii) The rainfall decrease towards the north and starts around March and ends around October with short dry period in August. 

(5c) 
(i) Livestock farming: The presence of grasses serves as food for livestock animals like cattle, ships etc. 
(ii) Arable crop farming: The savanna vegetation also promote arable crop farming of rice, millet etc. 
(iii) Employment: It also provide job for farmers and cattle rearers.
 

(2a)
(i) It opened up new area for economic activities in tropical Africa
(ii) It linked one settlement to another thereby making it easy for business activites
(iii) It helped in linking manufacturers with it's consumers
(iv) It has helped so well in distributing finished goods to market
(v) It has facilitated movement of people, labour and troops in tropical Africa


(2b)
(i) Deliberate effort should be made towards the expansion of the rail network in order to generate growth in the economy
(ii) Efforts should be geared towards improvement of the efficiency of the rail network
(iii) Government should make capital available to railway authorities to enhance efficiency
(iv) Training and retraining of personnel should be undertaken from time to time
(v) There should be regular maintenance of rail facilities eg track, coaches, engines to increase efficiency.

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(1a) 
Conurbation is a region comprising a number of cities, large towns, and other urban areas that, through population growth and physical expansion, have merged to form one continuous urban or industrially developed area.

(1b)
(i) Midlandton in England
(ii) Ruhr in Germany

(1c)
(i) Lack of proper infrastructural facilities and civic amenities to cater to the entire population.
(ii) There is increase in urban slum and squatter settlements
(iii) There is traffic congestion and severe environmental degradation
(iv) Administration of the entire area in an efficient manner becomes a problem.

(1d) 
(i) Much concentration should go to these areas in providing adequate civic amenities since the area is largely occupied
(ii) Good settlement planning and low cost housing should be provided to these areas
(iii) Expansion of roads and addition of more roads to reduce traffic congestion
(iv) Effective administration should be provided to those region.

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(4a) 
Shifting cultivation is a method of agriculture where an area of land is cleared off its vegetation and cultivated for a period of time and then abandoned for its fertility to be naturally restored.

(4bi)
Characteristics:
(i) Cultivation is mainly for subsistence.
(ii) Farming depends mainly on family labour.
(iii) The land is abandoned when the yields decline.

(4bii)
Benefits:
(i) It helps used land to get back all lost nutrients and as long as no damage occurs therefore.
(ii) It saves a wide range of resources and provides nutrients because a small area is usually cleared and the burned vegetation offers many nutrients
(iii) It helps to ensure more productivity and sustainability of agriculture

(4biii)
Disadvantages:
(i) It can easily lead to deforestation because when soil fertility is exhausted, farmers move on and clear another small area of the forest
(ii) It can easily cause soil erosion and desertification
(iii) It restricts the intensity of land use
(iv) It easily leads to loss of biodiversity


 

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