NECO 2018 Geography Practical and Physical Answer – June/July Expo

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Geography obj
1-10 BBDEADACAA
11-20EABDCABBAC
21-30CACEAECDCC
31-40BADDDCEECE
41-50BACACAACBB
51-60CDEDDCACCE


1a)
CLICK HERE FOR THE DIAGRAM
1b)
Length of the main road
=22/1*50,000/100,000
=22/1 * 5/10 =2
=22*1/2
=11km
1b)
the drainage pattern of the mapped area is the south east direction of the rivers
1c)
i)lumbering- because of high trees
ii)fishing- because of rivers
==============================
(3a)
(1)The Intermontane plateau: is when a plateau is surrounded by mountains on all sides, it is refers to an Intermontane plateau. Some examples of the Intermontane plateau include the Tibetan plateau and the Bolivian plateaus.
(2)The Piedmont plateau: a Piedmont plateau is located close to a mountain on one side. Some good examples of
Piedmont plateaus are the Malwa plateau in India, the Patagonian plateau in Argentina and the Piedmont plateau in America.
(3)The Continental plateaus- when a plateau is surrounded by oceans or plains, it is refers to as continental plateau. Examples of continental plateaus include the plateaus of Western Australia and Africa.
(4)Dissected plateaus : These plateau are highly eroded plateaus cut by rivers and broken by deep narrow valleys.

(3b)
(1)Plateaus are very good sources of minerals such as Iron, copper, gold, diamonds, Manganese, coal, etc.
(2)Areas that have plateau also have waterfalls as river falls from a great height of the plateau
(3)Although plateaus are not very good for agricultural activities due to hard rock formation, hence, agricultural activities can be carried out at the base of the plateau where lava soils have deposited.
(4)Plateaus that are formed from the lava of volcanoes have very fertile soil, making them useful for agriculture
activities
(5)Many plateaus have scenic spots and are of great attraction to tourists. (Good examples are the Grand Canyon and many waterfalls).

================================

6a)
i. Accurate Delta e.g Niger
ii. Bird’s foot delta e.g Mississippi delta

6b)
i. Deposition of materials
ii. Flow of water into the ocean
iii. The river flow through the distributaries into the sea

6c)
i. To Generate H. E. P
ii. Tourist Center
iii. Deposits of natural resources

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(7a)

Environmental problems or hazards are disasters which affects lives and properties as a result of the action of man and other natural phenomenon.

7b)
i)Flooding
ii)Desert Encroachment
iii)Drought
iv)Soil Erosion
v)Deforestation.
7c)
1)climatic changes: is a change in the statistical distribution
of weather patterns when that change lasts for an extended period of time.
2)overgrazing occurs when plants are exposed to intensive grazing for extended periods of time, or without sufficient recovery periods.
3)bush burning: is the act of setting forests, weeds and grasses on fire.

7d)
1)afforestation
2)irrigation
3)rotational/controlled grazing

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