Biology practical GCE 2018

[9/3, 9:55 AM] Engr Bebeji: [
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.

5c)
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.
================================= 1 A 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 are 4a)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.
[9/3, 10:07 AM] Engr Bebeji: 1b.In Nigeria
Lagos is a conurbation formed through the merged development of the initial Lagos city area with other cities and towns, such as Ikeja, Ojo, along with various suburban communities like Agege, Alimosho, Ifako-Ijaiye, Kosofe, Mushin, Oshodi and Shomolu



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