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Principles Of Earth Sciences Question Paper

Principles Of Earth Sciences

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL SCIENCE
ENS 135: PRINCIPLES OF EARTH SCIENCES

DATE: FRIDAY, 3RD APRIL 2009
TIME: 11.00 A.M. 1.00 P.M.

INSTRUCTIONS: Answer Question ONE and any other THREE.

1.
a)
Discuss the following factors associated with landslide activity:-
i)
Hydrology
(2
marks)

ii)
Human activities

(2 marks)

iii)
Bedrock

(2 marks)

iv)
Slope

(2 marks)

b)
Describe the physical outer zones of the earth.

(5 marks)

c)
Explain the internal earth energy sources.

(5 marks)

d)
Explain why volcanic activity can be both destructive and an important
source
of
resources
for
man.
(5
marks)

2.
a)
Briefly discuss the major theories on the origin of the earth.
(10 marks)
b)
Explain
the
concept
of
plate
tectonics. (5
marks)

3.
Describe the chemical weathering processes and explain major factors that
influence
weathering.
(15
marks)

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4.
Discuss the environmental impacts of earthquakes.

(15 marks)

5. Describe
the
main
erosional processes of the following:
a)
Wind
erosion
(5
marks)

b)
Sea erosion

(5 marks)
c)
Glacier
erosion (5
marks)

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