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
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