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School of Environmental Sciences
Department of Geography and Environmental Sciences
ERM1541/ERM1141 Tutorial 1 Memorandum
Total Marks: 36
Deadline: 03 March 2023
1. What are the main two roles of the atmosphere?
2. What percentage is the freshwater in the hydrosphere?
(1)
3. List and briefly describe three elements of the environment.
(6)
4. The figure below depicts the nature and scope of environmental science. Give a practical
example of a theoretical and applied aspect.
(6)
5. Study the figure below and answer the following questions.
5.1. What is the main cause of global warming?
(1)
5.2. Give two negative impacts of dam sedimentation?
(2)
5.3. List any three departments in the Faculty of Science, Engineering and Agriculture which should
work together to reduce biodiversity depletion. Give one reason why you chose those
departments
(2)
5.4. How does overgrazing affect food supply problems? Give two points
(4)
5.5. What would you do to prevent or reduce soil erosion?
(2)
5.6. Is solid waste a problem at Univen? Justify your answer.
(2)
5.7. What is the main cause of wetland loss and degradation?
(2)
7. Discuss the significance of environmental science under the following headings;
(14)
7.1. Problems cropped in the wake of development
7.2. Explosively increase in pollution
7.3. Need for wise planning of development
7.4. Environment issues being of International importance
7.5. Knowledge about types of environments and different environmental hazards
7.6. Need for environmental awareness