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Solving Grade 9 Geography Exercise Lesson 31: Southeastern Region
(page 113 Geography Grade 9):
Deciphering Geography: Grade 9 Exercise 31 - Southeastern Region
* Solution:
· To the North and Northeast, it borders the Central Highlands, South Central Coast; to the South and Southwest, it borders the vast Mekong River Delta, to the West and Northwest, it borders Cambodia and to the East lies the East Sea.
· Significance:
· It serves as a bridge connecting the Central Highlands, South Central Coast with the Mekong River Delta; linking the mainland to the East Sea with rich potential, especially in oil and gas resources on the Southern continental shelf.
· Bordering the Mekong River Delta, it is the nation's key region for food production; bordering the Central Highlands, it is rich in forest resources, industrial plants, especially coffee. The East Sea brings the Southeastern Region the potential for oil and gas exploration on the continental shelf, aquaculture, tourism development, and maritime economic services.
(page 113 Geography Grade 9):
Exploring Southeastern Region: Grade 9 Geography Exercise 31
* Solution:
· Natural features and economic potential on the mainland:
· Natural features: gentle topography, moderate elevation, fertile badan and gray soils; hot and humid tropical climate, good aquatic resources.
· Economic potential: suitable for construction; suitable crops include rubber, coffee, pepper, cashews, soybeans, peanuts, sugarcane, tobacco, and fruits.
· The Southeastern Region has favorable conditions for strong maritime economic development due to:
· Significant oil and gas reserves on the continental shelf.
· Abundant aquatic resources.
· Favorable transportation and tourism conditions (Vũng Tàu beach, historical site of Côn Đảo prison).
(page 114 Geography Grade 9):
Identifying Rivers and Conservation: Geography Grade 9 Exercise 31
* Solution:
Use symbols and labels on the diagram to pinpoint the Đồng Nai River, Sài Gòn River, and Bé River.
Protecting and developing headwaters forests, limiting water pollution in rivers of Southeastern Region is crucial because:
· From a sustainable development perspective, land, forests, and water are vital.
· The Đồng Nai River basin almost covers the entire Southeastern Region. With significant land devoted to industrial crops, forest land is scarce, limiting the water supply. Therefore, protecting headwaters forests is crucial for the water supply.
· In the lower reaches of the river, urbanization and rapid industrialization increase the risk of water pollution. Consequently, measures must be taken to mitigate pollution in the rivers of the Southeastern Region.
(page 115 Geography Grade 9):
Analysis of Population and Society in Southeastern Region
* Solution:
· Population and social development indicators in Southeastern Region (1999) surpass the national average: population density, average monthly income per capita, literacy rate among adults, average life expectancy, urbanization rate.
· Population and social development indicators in Southeastern Region (1999) lag behind the national average: urban unemployment rate, rural unemployment rate, natural population growth rate matches the national average (1.4%).
· Overall, Southeastern Region stands out with a high level of population and social development compared to the national average.
Exercise 1 (page 116 Geography Grade 9):
Natural Conditions and Resources Impact on Economic Development in Southeastern Region
* Solution:
· Favorable topography, badan and gray soils, hot and humid tropical climate, suitable for cultivating perennial industrial crops (rubber, coffee, cashews, black pepper) and short-term industrial crops (soybeans, peanuts, sugarcane, tobacco), as well as fruit-bearing trees on a large scale.
· Coastal areas offer favorable conditions for the development of integrated maritime economic activities:
Exercise 2 (page 116 Geography Grade 9):
Why Southeastern Region Magnetizes National Labor Force?
* Solution:
Southeastern Region attracts the national labor force strongly due to higher-than-average development indicators in population and society, such as monthly per capita income, educational attainment, average life expectancy, and urbanization. The diverse industry structure provides ample job opportunities. Currently, the pressure of unemployment in various regions drives labor migration to Southeastern Region, seeking better income opportunities and a more civilized lifestyle.
Exercise 3 (page 116 Geography Grade 9):
Based on table 31.3 (Textbook page 116), create a stacked column chart illustrating the urban and rural population in Ho Chi Minh City over the years. Provide observations.
* Solution:
· Data manipulation: Urban and rural population structure in Ho Chi Minh City 1995 - 2002 (%)
· Create the chart: Population chart comparing urban and rural populations in Ho Chi Minh City over the years Observations: · The urban population rate is higher than the rural population rate. · From 1995 to 2002, the urban population rate increased, while the rural population rate decreased.
Population Chart: Urban and rural population trends in Ho Chi Minh City over the years.
Observations:
· The urban population rate surpasses the rural population rate.
· From 1995 to 2002, the urban population rate increased, while the rural population rate decreased.
