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2019 waec Geography 3(Practical and Physical Geography) questions and answers

*GEOGRAPHY 3 ANSWERS*
_(You are to answer no 1 and any other 3)_
Use any No1

(1a)
Drawing

(1bi)
(i) The relief is made up of mainly lowland.
(ii) The highland is in the north west of the map.
(iii) The rivers flow from North to South.

(1bii)
(i) The rivers take their sources mainly from the north East Highland.
(ii) The drainage pattern is trellised.
(iii) The nature of the rock is homogeneous.

(1c)
(i) Trading
(ii) Fishing
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(5ai)
(i)each time zone differ by 15degree in longitude
(ii)the reference point is the G.M.T
(iii)it divided within 24 time zone
(iv)it maintain the eential time for time zone in which they are
(5aii)
(i)data change by 24hours when it is crossed
(ii)the 180degree meridian represent for the original of a date line
(iii)travelers going to the east gains one day which does going to the west losses one day
(iv)it is not a straight line
(5b)
Time difference =1800 – 900
=900hrs
=9hours
Longitude = 9*15=135degree

3a)
Mode of formation: Chemically formed sedimentary rock are formed when chemical sediments accumulates over a long period of time. These sediments then combine and undergo further processes to form rock.(3b)
(i) Limestone
(ii) Chalk
(iii) Barite(3c)
(i) They serve as a source of minerals such as halite ie common salt.
(ii) They produce limestone used in producing cement.
(iii) They houses fossil records.
(iv) They help in housing coral reefs which serves as tourist attraction
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*Q8(a)* Food chain

A food chain is a linear network of links in a food web starting from producer organisms (such as grass or trees which use radiation from the Sun to make their food) and ending at apex predator species (like grizzly bears or killer whales), detritivores (like earthworms or woodlice), or decomposer species (such as fungi or bacteria)._
Q4(a) Lake

A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake.
Q8(a)
Food chain

A food chain is a linear network of links in a food web starting from producer organisms (such as grass or trees which use radiation from the Sun to make their food) and ending at apex predator species (like grizzly bears or killer whales), detritivores (like earthworms or woodlice), or decomposer species (such as fungi or bacteria).

A food chain also shows how the organisms are related with each other by the food they eat. Each level of a food chain represents a different trophic level.

 

 

 

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