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2016 NECO GCE GEOGRAPHY PRACTICAL QUESTION AND ANSWERS NOW AVAILABLE FOR FREE
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EDUBRAZEE 10:52 Sun, 06 Nov 2016

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GEOGRAPHY OBJ:
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(2a)Revolution is where the Earth travels, or revolves, around the Sun in a roughly circular path
Each revolution takes the Earth around one complete orbit of the Sun, back to the same point a second time, and is called a year .
It takes the Earth 365 days to complete it's
revolution around the sun.

(2b)
-Rotation refers to the Earth's spin around its internal axis, while revolution refers to the Earth's orbital motion around the sun.
-The
Earth rotates on its axis once every 24 hours and revolves around the sun once every 365.25 days.
-Rotation of the earth causes day and night while Revolution causes seasons
-Rotation causes dawn and twilight while Revolution causes Tides,waves

(2c)
-Day and night
-Deflection of winds and ocean current
-Apparent sunrise and sunset
-Daily rising and falling of tides

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(3ai)
Block mountains are mountains that are formed from natural faulth in the earth crust
DIAGRAM
(3aii)
Residual mountain can be defined as mountains formed out of existing mountain which have been eroded for millions of years
DIAGRAM

(3b)
-It serves as a centre for tourist attraction
-it leads to the formation of relief rainfall
-it serves as a source of numerals
-it also serve as sources of rivers which creates employment e.g.fishermen

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(5a)
Volcanicity is the process where molten magma or lava forces its way out from the earthscrust unto the earths surface.

(5b)
(i)Dyke:-this is sheet of of rock that is formed in the fracture in the pre - existing rock. Dyke form whena mass of magma cuts across the bedding planes and forms a wall like structure. Example of dyke is one that is found in Jos plateau in Nigeria this has been exposed to the surface through erosion.
(ii)Sill:-this is formed when a sheet of magma lies along the bedding planes of the earth's surface. A sill is therefore a horizontal sheet of rock that solidifies from magma that has been injected concordantly between bedding planes; they may be of any thickness and extend for many squareof kilometers. Example of sill is a great Whill sill in great Britain
(iii)Batholith:-is large body of intrusive igneous rock believed to have been crystallized at the considerable depth below the earth's surface..They are the largest type of pluton. Example of batholith is Idaho batholith which cover surface area of over 15500 kilometer square.
(iv)Lopoliths these are saucer - shaped features formed beneath the earth's surface through magma intrusion. Lopolith forms great shallow basin when magma solidifies within the crust a good example is bush veld igneous complex of south Africa which is composed of both granite and basic rock.

(5c)
(i) Hydration - some minerals absorb water and in doing so they rise to new compounds e.g haematite an iron oxide combines with water to give limonite another iron compound another example is the absorption of water by calcium sulphate to give gypsum although in the above process there is no chemistry change the rock only absorbs water and this can be easily removed by heating

(ii) Carbonation - This process involves the reaction by hydrogen carbonate ions with a mineral to give a soluble compound which can be carried away in solution hydrolysis often accompanies carbonation because both break down felspar into clay soluble carbonate and silica

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(7a)
(i)causes death to native animals, not only from lack of food and water, but also because drought can drive introduced species such as foxes and feral cats, which tend to be hardier than the native animals, to kill more native animals in the quest to survive
(ii)hinders a farmer's income by limiting
his ability to produce crops and/or healthy livestock
(iii)increases the danger of bushfires,
duststorms and other drought-related
natural disasters
(iv)land degradation - as plants die off,
winds can quickly strip the land of topsoil; the natural habitat of native animals is damaged and some may not survive; wetlands and lakes may dry up

(7b)
(i)Store water for future generations and Put more wells and tubewells
(ii)Develop irrigation facilities by building
dams
(iii)Growing drought resistant crops like
millets, maize and sorghum
(iv)Spraying water on the base of the
plants so that less water is used


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Replies

Umar Mon 07 Nov 2016
Tnx xo much for your help
aajustice Mon 07 Nov 2016
thank

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