Explain three conditions that lead to glacial deposition.
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Define soil
Explain how the following factors influence soil formation Parent material
Human activities
Explain three causes of physical soil degeneration
Explain three ways in which features resulting from faulting are of economic importance:
A part from the Rift Valley name two other relief features that were formed as result of faulting.9/7/2023 A part from the Rift Valley name two other relief features that were formed as result of faulting.
Describe two ways in which faulting may influence drainage systems.
Name two instruments kept in a Stevenson screen.
Describe the origin of continents according to the theory of continental drift.
Name the types of earth movements that occur within the earth’s crust.
Differentiate between a watershed and a catchment area.
A watershed is a ridge line boundary separating drainage basins or rivers systems while a catchment area is a wetland which a river draws its waters from. State three causes of landslides.
What is Geography?
Geography is the study of the distribution and interrelationships of natural and human phenomena in relation to the earth’s surface/It is the study of the earth as a home of human kind. Give three proofs that the earth is almost spherical in shape.
Differentiate between weathering and mass wasting.
Study the map of Nyeri 1:50000 (sheet 12014) provided and answer the following questions. a) i) Give the longitudinal extent of the area covered by the map. 6) a) i) 360451E-370001E (2Marks) ii)What is the magnetic declination as at January 1975 of the map. 10311 (2Marks) b) i) Calculate the bearing of trigonometrical station in grid square 7546 from the forest guard station in grid square 6155. 1200 (2Marks) ii) Identify two types of vegetation found in Abedare forest. - forest -Bamboo (2Marks) d) Describe the drainage of the area covered by the map. -there are rivers -the rivers are permanent - The main river is river Chanya - Most of the rivers flow from western part of the area to eastern part. - The main river form dendritic pattern with it tributaries - There are some water holes - There are many dams e) With evidence from the map given four social function of Nyeri town. Social function Evidence - Administrative -PC,DC - Education âschools - Recreation âclubs, golf course - Communication - P.O f) Explain two factors favoring trade in Nyeri town - Availability of market evidence by many settlements. Good means of transport which facilitate movement of goods. The diagram below shows a simple fold Name the part marked A, B and C i) A-axis B-syncline C-limb of a fold (3Marks)
Name two fold mountains outside Africa
With the aid of well labeled diagram describe the process of formation of Fold Mountain
Explain four ways in which folding influences human activities
What is chemical weathering?
Chemical weathering- is the breakdown or disintegration of rocks as a result of chemical reaction or changes that cause decay of rocks Explain the following chemical weathering process Carbonation
Hydrolysis
Explain four economic importance of weathering to physical and human environments
State five factors that affect the rate of chemical weathering in equatorial regions
Give three factors which influence mass-wasting
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