NATIONAL OPEN UNIVERSITY OF NIGERIA

FACULTY OF SCIENCES

DEPARTMENT OF ENVIRONMENTAL SCIENCE

Plot 91, Cadastral Zone, Nnamdi Azikwe Expressway, Jabi, Abuja

                       JULY 2018 EXAMINATIONS

COURSE CODE: ESM 343
CREDIT UNIT: 2
COURSE TITLE: CLIMATE CHANGE AND THE ENVIRONMENT                  TIME: 2 HOURS
 
Instruction: Attempt question number ONE (1) and any other THREE (3) questions. Question number one (1) is compulsory and carries 25 marks, while other questions carry equal marks (15) each.
 
1a. What are proxy Data,  give four examples that you know.                               5mks.
1b. Identify four (4) gases found in the Earth’s atmosphere and their volumes.         4mks
1c. Explain the following Terms
i.            Air Temperature                                                                                            1.5mks
ii.            Precipitation                                                                                                   1.5mks
iii.            Humidity                                                                                                        1.5mks
iv.            Wind                                                                                                               1.5mks
1d. Define the term succession and explain its types.                                                             10mks
 
2. Explain the term surface albedo and state its effects on incoming solar radiation. 15mks
 
3a. Explain the methods by which Air is heated.                                                        5mks
3b. Air temperature decreases as height increases. Expatiate.                                      10mks
 
4. Temperature decreases gradually from the equator to the Polar Regions.  Discuss. 15mks
 
5a. What are the major characteristics of the urban areas                                              10mks
5b. In what way do urban climate differs from rural climate.                                       5mks
You can get the exam summary answers for this course from 08039407882

Check anoda sample below

NATIONAL OPEN UNIVERSITY OF NIGERIA

Plot 91, Cadastral Zone, NnamdiAzikwe Expressway, Jabi, Abuja

Faculty of Sciences

JANUARY/FEBRUARY, 2018 EXAMINATIONS

COURSE CODE:     ESM 343                                                 TIME ALLOWED: 2 HOURS
COURSE TITLE:    CLIMATE CHANGE AND THE ENVIRONMENT            CREDIT UNIT: 2

Instruction: Attempt question number one (1) and any other three (3).

1. Write short notes on the following:
i.Ocean Current(5marks)
ii. Climate Change (5marks)
iii. Climatic Variables (5marks)
iv. Greenhouse Gases(5marks)
v. Global Warming (5marks)
2. Discuss the essential characteristics of the varied layers of the atmosphere.(15marks)
3. With five relevant examples, explain how the history of past climate can be reconstructed using proxy data.(15marks)
4. Explain the climatic influence of ocean currents on the adjacent land masses. (15marks)
5. Justify the facts that emissions of sulfur dioxide are responsible for 60-70% of acid deposition that occurs globally (15marks)
You can get the exam summary answers for this course from 08039407882

Check anoda sample below

NATIONAL OPEN UNIVERSITY OF NIGERIA

Plot 91, Cadastral Zone, NnamdiAzikwe Expressway, Jabi, Abuja

Faculty of Sciences

July Examination 2017

COURSE CODE ESM343
COURSE TILE:  Climate Change and the Environment
Time Allowed – 2:30MinsUNIT: 2
Instruction – Answer question one and any three (3) others
 
1a.       Explain two processes that can lead to the formation of acid rain.   (10marks)
b.       Explain two effects each of acid deposition on plant, soil and man. (10 marks)
c.       With examples, explain the term climate change (5marks)
2a.       What is climate change and discuss the factors causing climate change?   8 marks)
b.       Discuss the effects of climate change on the environment.   (7 marks)
3a.      Explain the climatic influence of ocean currents on the adjacent land masses.(10 marks)
3b.      Explain the term “ocean currents”(5 marks)
4a.     Explain the term “greenhouse gas” (10 marks)
4b.     List and explain in details five greenhouse gases of your choice (10 marks)
5a.     Explain the term climate (5 marks)
5b.  History of past climate can be reconstructed using proxy data. Explain with five examples. (10 marks)
.
You can get the exam summary answers for this course from 08039407882

Check anoda sample below

NATIONAL OPEN UNIVERSITY OF NIGERIA

14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS

SCHOOL OF SCIENCE AND TECHNOLOGY

MARCH/APRIL 2014 EXAMINATION

 
COURSE CODE: ESM 343
COURSE TITLE: INTRODUCTION TO PEACE AND CONFLICT RESOLUTION
TIME ALLOWED: 2HOURS
INSTRUCTION: ANSWER ANY FOUR (4) QUESTIONS
 
 
1.        Is the climate changing? Support your answer with credible evidence.
 
2.      Define the following terms:
a.     Lapse rate
b.     Environmental lapse rate
c.      Dry adiabatic lapse rate
 
3.      To what extent is ozone layer beneficial to living things on earth.
 
4.     Give an account  of the influence of ocean currents upon  the climate of adjacent landmasses.
 
5.      In what way(s) do rural climates differ from urban climates?
 
6.     a.    What is acid precipitation?
b.    What are the effects of acid rain on man?
You can get the exam summary answers for this course from 08039407882

Check anoda sample below