Geography practical expo

Waec 2017 Geography (Practical and Physical Geography) Answers – May/June Expo
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4a)
i)Rarely has fossils
ii)React with acid
iii)have alternate bands of light and dark minerals
4b)
i)formed through the action of heat and pressure
ii)formed from clay
iii)formed from limestone
4c)
i)rocks are source of minerals eg gold,silver,petroleum etc
ii)rocks are source of materials for construction
iii)rocks serves as raw materials for industry eg cement industry
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3a)
Erosion is the process of eroding or being eroded by wind, water, or other natural agents. While Mass movement is the movement of surface material caused by gravity.
3b)
i)runing water
ii)winds
iii)waves
vi)glaciers
3c)
i)Water
-rainwater acts as a lubricant to weathered materials.
ii)Vegetation
-lack of vegetation cover to hold the
loose particles.
iii)Rock structure
-joints dipping downslope usually assists landslides, rockfalls, rockslide, rock creep.
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7a)
i)Agricultural Pollution
ii)Oil Pollution.
iii)Radioactive Substances polution
iv)River dumping pollution
v)Marine Dumping pollution
7b)
i)A regular qualitative and quantitative monitoring of fresh water resources.
ii)Construct proper sanitary landfill
sites.
iii)Investigate ground water quality.
iv)Provide government help for waste management by industries.
v)Throw refuse into garbage cans. Visitors who throw garbage into pools, lakes, ponds, and even along the beaches pollute recreational sites on a daily basis.
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