Waec Gce Practical And Physical Geography Answers – Nov/Dec 2018 Expo

1a)
CLICK HERE FOR THE IMAGE
Old scale = 1:50, 000
New scale = 1:150,000
Map scale = ?
Map scale = old scale/new scale
= 50,000/150,000
=1/3

New length = 36.5 * 1/3 = 12.2cm
New width = 37*1/3 = 12.3cm
The map is a reduction and should be reduced to a third of its original size.

1b)
Length of minor road from Marabu to KARLAHI = 15.5cm * 150,000/100,000
= 23.3km

1c)
i)with evidence on the map the presence of school at KARLAAHI settlement indicate socio-economic function
ii)with evidence on the map presence of market indicate commercial function
iii)with evidence on the map presence of church,mosques indicate religious function

1d)
i)this is more highlands in the north-western part of the map makes it difficult for road construction
ii)there is the Presence of rivers following between mountain making road construction difficult
iii)the presence of valley and plateaux between mountain top Make it difficult to construct roads
iv)the presence of Marshy areas as a result of ended debris from mountainous top make road construction difficult as fly over’s are constructed which is very costly



7a)
i)source of fuel
ii)provision of employment
iii)source of foreign exchange
iv)provision of basic amenities
v)provision of raw materials for industries

7b)
i)soil erosion: frequent exploitation of mineral resources lead to soil erosion
ii)environmental pollution: oil spillage lead to environmental pollution
iii)increasing cost of production: exploitation of mineral resources make farming land barren thereby increasing production cost
iv)oil spillage: increased exploitation of mineral resources lead to oil spillage
v)loss of plant and animal lives: exploitation of mineral resources bring about loss of live of plant and animal lives



3ai)
i)Tropical (megathermal) climates
ii)Dry (arid and semiarid) climates
iii)Temperate (mesothermal) climates
3aii)
i)Temperature
ii)Rainfall

3b)
i)Tropical rainforest climate
ii)Tropical monsoon climate

3c)
-Tropical rainforest climate-
i)there is double
ii)temperature are highly and uniform throughout the year maxima
-Tropical monsoon climate-
i)temperature range is 6°c
ii)high temperature of about 27°c



4a)
Plateau is an area of a highland, usually consisting of relatively flat terrain that is raised significantly above the surrounding area, often with one or more sides with steep slopes.

4b)
This the upward movement in the Earths crust. The uplift is caused by the slow collision of tectonic plates. In other words volcanic plateau is formed by numerous small volcanic eruptions that slowly build up over time, forming a plateau from the resulting lava flows.

4c)
i)it help in hunting fish as employment
ii)It provides us with food materials
iii)it provide us raw materials for our industries.



GOOD LUCK

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