Department of EECS
North South University
Quiz 02: CSE 327, Spring 2011
Total Marks: 15
Time: 15 min
1. What is the difference between functional and non-functional requirements? Explain with examples. 3
2. Let you are developing commercial Web
ECONOMICS, PUBLIC POLICY, AND THE ENVIRONMENT
I. Economics and Public Policy
A. Public Policy
1. What is Public Policy?
2. What role does public policy play in our lives?
B. Relationships between Economic Development and the Environment
1. A he
I. Air Pollution
A. What Is It?
1. Air pollutants consist of chemicals in the atmosphere that have harmful effects on
living organisms and inanimate objects.
B. Why Do We Care?
1. We inhale 20,000 liters of air each day
THE ATMOSPHERE: CLIMATE, CLIMATE CHANGE AND OZONE DEPLETION
I. The Atmosphere
A. Atmospheric Structure
1. Locate the troposphere, tropopause, stratosphere, mesosphere, and thermosphere.
2. What is in the atmosphere? What is the chemical content
HAZARDOUS CHEMICALS: POLLUTION AND PREVENTION
I. What are Hazardous Substances?
A. Explain Each of the Following:
B. Toxicity is an Inherent Characteristic of a Substance
1. The dose makes the pois
MUNICIPAL SOLID WASTE: DISPOSAL AND RECOVERY
I. History of Solid Waste
A. Pre-World War II
1. Consumption Patterns - little trash generated
d. Plastics (rayon)
2. Recycling and Reuse Patterns
WATER; POLLUTION AND PREVENTION
I. Water Pollution
A. What is Water Pollution?
1. Water pollution can be defined as "the presence of a substance in the environment
that because of its chemical composition or quantity prevents the functioning of
A pest is any organism that is noxious, destructive, or troublesome.
Fig. 17.2 Non-agricultural and agricultural use is shown for the time period of 1964-1995. (Data from Environmental Protection
I. Principles of Solar Energy
A. Where Does it Originate?
B. How Much Solar Energy Reaches the Earth?
II. Direct Solar
A. Water Heating
1. Passive Solar
NUCLEAR POWER: PROMISE AND PROBLEMS
I. Nuclear Power Current and Future Status
A. Number of power plants today: 442 worldwide with 45 under construction.
B. Nuclear power generates about 17% of the world's electricity.
C. Why is the number of p
Primary and secondary energy sources
Basic production of electricity - boil water to produce steam to turn turbines
What is the local source of electricity?
When are the peak loads of electricity and for what purpose?
ECOSYSTEMS AS RESOURCES
I. Why Do We Want to Use Resources Sustainably?
A. Resources provided by ecosystems sustain life.
B. There are a limited number of resources in an ecosystem.
C. Ecosystems are limited in their ability to cycle resources.
WILD SPECIES: BIODIVERSITY AND PROTECTION
I. What is Biodiversity? Biodiversity is the diversity of living things found in the natural world.
II. Why Care About Biodiversity?
A. Instrumental Value
1. Ecosystem Sustainability
2. Sources of Agric
THE PRODUCTION AND DISTRIBUTION OF FOOD
I. The Production and Distribution of Food
A. Subsistence Agriculture
1. Slash and Burn
B. The Transformation of Traditional Agriculture to Modern Agriculture
1. Shift From Animals to Machines
WATER: HYDROLOGIC CYCLE AND HUMAN USE
I. Unique Properties of Water
A. Water has Unique Properties
1. Superior Solvent
2. High Melting and Boiling Point
3. High Heat Capacity
4. High Heat of Vaporization
5. Capillary Action (from high surface te
SOIL AND THE SOIL ECOSYSTEMS
I. Why do we Care about Soil Erosion?
A. Erosion adversely affects soil therefore adversely affects plants, and plants are the
base of the food chain.
B. Soil and Plants
1. Soil provides three essential factors
ADDRESSING THE POPULATION PROBLEM
I. Why Does Fertility Decline?
A. Demographic Transition
1. As the economic level of a country increases, death rates decline.
2. Later, as the economic level continues to increase, fertility rates decline.
THE HUMAN POPULATION
I. The Population Explosion
A. Current world population: 6 billion people (October 1999)
B. Putting the numbers in perspective:
1. Each time your heart beats, 3 more people are added to the world
2. Each time a person dies,
ECOSYSTEMS AND EVOLUTIONARY CHANGE
I. What is Evolution? Evolution is the change in the gene pool over time.
A. What is the Gene Pool.
1. It is all the various genes in a species
B. What is a gene?
1. A gene is the sequence of bases on DNA that
ECOSYSTEMS: POPULATIONS AND SUCCESSION
II. Population Dynamics
A. Population: "all the members of a given species in a given area"
B. Biotic Potential versus Environmental Resistance
1. Biotic Potential - reproductive rate
2. Environmental Resis
ECOSYSTEMS: HOW THEY WORK
Matter, Energy and Life
Fig. 3.1 From a biological point of view, the three most important gases of the lower atmosphere are
nitrogen, oxygen, and carbon dioxide.
Fig. 3.2 Water consists of molecules, each of which is f
ECOSYSTEMS: UNITS OF SUSTAINABILITY
I. What are Ecosystems?
A. Ecosystems are the biotic and abiotic factors in a specified area that interact with
1. Understanding the interaction of the biotic and abiotic factors in an ecosystem
INTRODUCTION: SUSTAINABILITY, STEWARDSHIP AND SOUND
I. The Global Environmental Picture. What are we facing?
a) Population growth and increasing consumption per person.
b) Degradation of soils.
c) Global atmospheric changes.
d) Loss of b