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.
-lack of proper infrastructural facilities and civic amenities to cater to the entire population.
-There is increase in urban slum and squatter settlements
-There is traffic congestion and severe environmental degradation
-Administration of the entire area in an efficient manner becomes a problem.
i)A great circle is the shortest path between two points along the surface of a sphere.
ii)great circle is the intersection of the surface with a plane passing through the center of the planet.
iii)They cross successive meridians at different angles.
i)Great circle are of importance to navigation and aviation.
ii)The shortest route between any two places is along the arc of the great circle which passes through them.
iii)Ships crossing the vast oceans and aircrafts follow the Great circle route in order to save fuel and time.
A census is an official survey of the population of a country that is carried out in order to find out how many people live there and to obtain details of such things as people’s ages and jobs.
*GHANA , NIGERIA, GAMBIA , SIERRA LEONE*
Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned and allowed to revert to their natural vegetation while the cultivator moves on to another plot.
(i) Vegetation is cleared by slashing and burning.
(ii) There is the use of little or no manure.
(iii) The yields decline after a certain period of continuous use.
(iv) Both the settlements and plots are temporary.
(v) The farmers use simple implements.
(vi) Plots are small and scattered.
(vii) Cultivation is mainly for subsistence.
(viii) Farming depends mainly on family labour.
(ix) The land is abandoned when the yields decline.
(x) The land is communally owned.
(i) It helps used land to get back all lost nutrients and as long as no damage occurs therefore, this form of agriculture is one of the most sustainable methods
(ii)The land can be easily recycled or regenerated thus; it receives seeds and nutrients from the nearing vegetation or environment
(iii)Shift farming saves a wide range of resources and provides nutrients because a small area is usually cleared and the burned vegetation offers many nutrients
(iv)It helps to ensure more productivity and sustainability of agriculture
(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) Shift farming can easily cause soil erosion and desertification
(iii) It destroys water sheds
(iv) Shift farming is uneconomical
(v) It easily leads to loss of biodiversity
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