1' What is Africas most prominent physical feature

1
1. What is Africas most prominent physical
feature?
Plateau A plateau continent Most of the
country 1000 ft. above sea level
2
2. Why are Africas rivers difficult to
navigate? How does this effect the economy?
They meander and contain waterfalls, rapids, and
gorges. It is hard to transport goods.
3
(No Transcript)
4
3, Where are the most distinctive landforms
found, and what are they?
In East Africa Rift valleyslong, thin valleys
caused by the continental plates pulling apart
over millions of years
5
(No Transcript)
6
(No Transcript)
7
(No Transcript)
8
4. What is the Great Escarpment?
A steep slope marking the edge of the continents
plateau in southern Africa.
9
(No Transcript)
10
(No Transcript)
11
5. NILE RIVER
The worlds longest river, which flows more than
4,000 miles through Uganda and Sudan and into
Egypt.
12
6. What important minerals are found in Africa?
gold phosphates platinum diamonds chromi
um copper cobalt
13
7. Mount Kilimanjaro
Volcanic mountain highest in Africa
14
8. Why does oil-rich Angola have a poor public
infrastructure?
Oil money has been spent on a civil war.
15
9. What are two profitable commodities besides
oil?
coffee lumber
16
10. What problem does logging cause?
depletes forests
17
11. How do most Africans earn their living?
farming (about 66 of the people and 1/3 of the
exports)
18
12. What deserts are located in Africa?
Saharathe largest desert in the world means
desert in Arabic Kalahari Namib
19
13. Aquifers
Stores of underground water Exists under the
Sahara Desert
20
14. Oasis
Area where water comes to the surface from an
underground aquifer in a desert. It supports
vegetation and wildlife.
21
15. What region receives the most rain in Africa?
Central Africa
22
(No Transcript)
23
16. How long can dry spells last in desert
regions?
5 or 6 years
24
17. What relationship do rainfall patterns in
Africa have to the equator?
Rainfall is heaviest near the equator.
25
18. What vegetation covers most of Africa?
tropical grassland Serengeti Plain is in
Northern Tanzania (dry climate is hard for crops
and trees, but great for grasses and large
mammals like wildebeests, gazelles, and zebras)
26
Serengeti Plain
27
Serengeti Plain
28
Serengeti Plain
29
19. What vegetation is typical of Central Africa?
Tropical rain forest Canopyuppermost layer of
branches, about 150 ft. above ground
30
20. How much diversity can be found in a square
acre of rain forest?
Almost 100 types of trees and hundreds of bird
species
31
21. What danger exists from the slash and burn
farming method?
Rain forests may gradually disappear Over ½ of
all original rainforest has been destroyed in
Africa.
32
22. What process threatens the Sahel?
Desertificationan expansion of dry conditions
into moist areas that are next to deserts Caused
by overgrazing, farming, erosion, drilling,
increasing populations
33
Sahel
34
23. What can be done to slow the process of
desertification?
increase tree planting use land more efficiently
35
24. What made Nigeria one of Africas wealthiest
countries?
Discovery of oil there in 1956, then high oil
prices in the 1970s
36
25. How did the Nigerian government later
impoverish the nation?
Borrowing money Mismanagement Poor planning
Corruption
37
26. How did foreign oil companies harm Nigeria?
Non-existent or slow clean-up operations of oil
spills Often resulting in fires that caused
acid rain, soot and respiratory diseases
38
27. How did construction of the dam affect the
surrounding area?
relocation of many people and Abu Simbel loss
of ancient treasures
39
28. Aswan High Dam
Lake Nasser was developed from this Dam and is
in Egypt and Sudan Finished in 1970 (original
done in 1902)
40
28. Aswan High Dam
41
28. Aswan High Dam
42
29. What have been the negative effects of the
dam?
Decreased soil fertility Increased salt in the
soil Increased rates of disease
43
30. SILT
River sediment that is rich for farming