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Ses203:Earth Materials,Physical Processes And The Environment Question Paper

Ses203:Earth Materials,Physical Processes And The Environment

Course:Earth Materials ,Physical Processes And The Environment

Institution: University Of Eldoret question papers

Exam Year:2010

Answer question 1 and any other three questions.Explain all non-standard symbols,acronyms and abbrevations you use.
1.a)Explain the position of the planet Earth in relation to the solar system and the universe.(8marks)
b)Describe the physical planet earth under the following:i)Shape,ii)radius and iii)Internal structure.(10marks)
c)Define the following:
i)A mineral(4marks)
ii)Rock (3marks)
2.a)What is the cötinental drift theory?(7marks)
b)Briefly explain two other infpent theories or concepts that support the continental drift theory.(8marks)
3.a)Describe the three types of tectonic plate boundaries.(5marks)
b)With reference to plate tectonics explain thd formation of:
i)andesitic type mountain chains.(5marks)
ii)Volcanic island arcs (5marks)
4.a)Define a fossil and explain briefly the type of rocks they are found in.(5marks)
b)Explain the following terms,giving an example of each type.
i)Index fossil.(5marks)
ii)Trace fossil.(5marks)
5.a)What is surface mining?(2marks)
b)Discuss the environmental impacts of surface mining.(7marks)
c)Describe ways of rehabilitating an area where surface mining has been done.(6marks)
6.a)Using your knowledge of plate tectonics,explain the formation of the major mountain ranges,giving at least one example.(6marks)
b)Draw a labeled sketch of a typical soil profile.(4marks)
c)Describe ways in which soils can be conserved.(5marks)

Ses203:Earth Materials,Physical Processes And The Environment Question Paper

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