Why do many analysts view the likelihood of greatly

GEN104 Man and Environment - Emirates College of Technology

Question 1:
The following chart shows selected population data for two different countries A and B.


Country A

Country B

Population (millions)



Crude birth rate (cbr)



Crude death rate (cdr)



Infant mortality rate



Total fertility rate



% of population under 15 years old



% of population older than 65 years



Average life expectancy at birth



% urban



1: Calculate the rates of natural increase (due to births and deaths, not counting immigration) for the populations of Country A and Country B. Based on these calculations and the data in the table, for each of the countries, suggest whether it is a more-developed country or a less-developed country, and explain the reasons for your answers.

2. Describe where each of the two countries may be in terms of their stage in the demographic transition (Figure 6.14). (Textbook Chapter 6 -The Human Population, page -120).

3. Explain how the percentage of people under 15 years of age in each country could affect its per capita and total ecological footprints.

Question 2:

1. Define water footprint and virtual water.

2. Why do many analysts view the likelihood of greatly increasing water shortages as one of the world's most serious environmental problems? How do scientists use satellites to measure changes in water supplies?

3. List two ways in which human activities increase the harmful effects of flooding. What is the best way to prevent each of these human impacts?

Question 3:

1. What is the rock cycle? Explain its importance. Define ore and distinguish between a high-grade ore and a low-grade ore.

2. Differentiate between net energy and net energy ratio and why they are important in evaluating energy resources. Indicate why some energy resources need help in the form of subsidies to compete in the marketplace, and give an example.

Question 4:

1. Summarize the effects of diet deficiencies in vitamin A, iron, and iodine. What is the biggest contributor to hunger and malnutrition?

2. Demonstrate how making the transition to more sustainable food production such as that promoted by the growing power farm will involve applying the principles of sustainability.

3. What is air pollution? Briefly describe four natural factors that help to reduce outdoor air pollution and four natural factors that help to worsen it.

Attachment:- Man and Environment.rar

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