NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JANUARY/FEBRUARY 2013 EXAMINATION

 

COURSE CODE: ESM 317                                   TIME: 2HRS 30MINS

COURSE TITLE: LAND AND WATER POLLUTION (2 units)

INSTRUCTION: Attempt any four questions

 

 

  1. Discuss the major types of pollution in urban environment. (25marks)
  2. Write short note on the followings; (i) Recycling (ii) Internal Recycling (iii) External Recycling(25marks)
  3. Explain the reasons why conservation of resources is necessary(25marks)
  4. Explain in detail any three (3) classes of water pollution that you know. (25marks)
  5. Pollutants can be classified into eight categories, each of which presents its own hazards. Discuss. (25marks)

Discuss the term “thermal pollution”. (25marks)


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