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Envs 221:Marine And Coastal Environments August 2010 Question Paper

Envs 221:Marine And Coastal Environments August 2010

Course:Bachelor Of Environmental Science

Institution: Kabarak University question papers

Exam Year:2010

KABARAK UNIVERSITY UNIVERSITY EXAMINATIONS
2009/2010 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF ENVIRONMENTAL
SCIENCE
COURSE CODE: ENVS 221

INSTRUCTIONS:
1. Answer ALL the question in section A and ANY TWO questions from section B.
2. Section A carries 40 marks, while section B caries 10 marks each.
3. Illustrate your answers with suitable diagrams wherever necessary.
4. Duration of examination: 3 hours

SECTION A. 40 MARKS

1. (a) Explain meaning of the following terms; (2 marks)
(i) Tides
(ii) Waves
(b) Name three types of tides (3 marks)
(c) State the factors which influence wave deposition. (3 marks)
(d) Briefly explain FIVE features resulting from wave deposition. (5 marks)

2. (a) Describe briefly three types of coral reefs. (3 marks)
(b) Describe reef distribution and state the limiting factors. (4 marks)

3. (a) Summarize the difference between a sandy shore and a rocky shore. (2 marks)
(b) Discuss briefly the environmental factors that affect sandy shores. (3 marks)

4. (a) Describe the chemical structure of pure water. (2 marks)
(b) State the characteristics of sea water. (2 marks)
(c) Describe three factors that influence sea water temperature. (6 marks)

5. (a) Explain briefly what is an abyssal plain? (1 mark)
(b) Briefly discuss any 4 types of ridges. (4 marks)

SECTION B. (20 MARKS)
6. Discuss the effects of human interaction on coastal environments. (10 marks)

7. Discuss and illustrate the subdivision of open ocean water. (10 marks)

8. Discuss the continental margins. (10 marks)

Envs 221:Marine And Coastal Environments August 2010 Question Paper

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