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प्रश्न
Deforestation rate in Africa is twice the average for the rest of the world with more than four million hectares of primary forest disappearing every year. What could be the reasons for this?
उत्तर
The reasons would be :
- Conversion of forests for subsistence and commercial agriculture.
- Deforestation is done because of commercial logging
- Other activities such as cattle rattling, cash crop plantations, and the construction of dams, roads, and mines.
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संबंधित प्रश्न
Refer to the physical map of Europe in your atlas. Moving in an anti-clockwise direction starting from the Arctic Ocean and the White Sea, observe and note down the names of all the surrounding water bodies such as seas, bays, gulfs, straits, etc. Then mark each of them on an outline map of Europe.
Elaborate on the achievements of the great explorers in opening up the continent of Africa.
What is a rift valley? How is it formed?
This is a photograph of a Great Bustard
- In which vegetation belt is this bird mostly found?
- Name two other animals from this vegetation belt.
On a blank outline map of Africa
(a) Mark with brown lines the Atlas and the Drakensberg Mountains.
(b) Shade with yellow and label the Sahara Desert and the Kalahari Desert.
(c) Shade with light brown the plateau region of Africa, the Ethiopian and Adamawa Highlands.
(d) Colour with blue and label neatly all the surrounding water bodies, oceans, seas, bays, gulfs, and straits.
Most of Africa is hot. Why?
Identify the hot deserts of Africa and briefly describe the climatic conditions in terms of temperature and rainfall.
Describe the Mediterranean climate.
In the outline map of Africa, mark the features, and answer the questions.
- Colour dark green the area where equatorial forests are found. What difficulties were faced by the explorers because of rivers and natural vegetation of the region?
- Mark the area that is called an ‘open-air zoo’. Name the vegetation of this region.
- Mark the Sahara Desert. Name a plant that best survives in the climate of this region. What are the characteristic features of this plant that help it survive?
- Mark the area north of the Atlas Mountains where the Mediterranean climate is found. Which crops does this climate support?
The Western Plateau region of Australia is mainly a desert. Why?