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Africa

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Africa Physical Geography ... – PowerPoint PPT presentation

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Title: Africa


1
Africa
  • Physical Geography

2
2nd Largest Continent
  • Africa is a huge continent from east to west ,
    its widest point is the same distance between
    Moscow and NYC (4,000 miles).
  • North and south distance is the same as the
    distance between northern Alaska and the Panama
    Canal 5,000 miles.

3
Factors of Isolation
  1. Almost all unbroken and irregular coastlinesfew
    natural harbors for ships to anchor for trade and
    exploration.
  2. Most rivers have falls and rapids because of the
    elevation people could not sail up the rivers
    to explore.
  3. The Sahara is the largest desert in the world
    (bigger than the US). More rocky than sandy.
    Prevented movement between northern Africa and
    southern Africa

4
The Plateau Continent
  • A huge plateau covers much of Africa
  • Most of the continent is 1000 feet above sea
    level

5
Rift Valleys and Lakes
  • East Africa continental shift created huge
    cracks in East Africa
  • land sank, formed long, thin rift valleys
  • stretch 4,000 miles from Jordan to Mozambique
  • eastern part is still slowly pulling away from
    Africa

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7
Rift Valleys and Lakes
  • Long, deep lakes form at bottoms of rift valleys
  • Lake Tanganyika is longest freshwater lake in
    world
  • Lake Victoria is Africas largest sits in basin
    between rift valleys

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9
Rivers and Waterfalls
  • Most African rivers contain many waterfalls,
    rapids and gorges making them useless for
    transportation
  • Congo River largest network of waterways but has
    32 waterfalls
  • Victoria Falls 2 times the height of Niagara
    Falls
  • On the Zambezi River

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14
Mountains
  • Africa mainly has volcanic mountains Mount Kenya
    and Mount Kilimanjaro

15
The Deserts
  • Sahara is the largest desert in world name means
    desert in Arabic
  • temperatures as high as 136 degrees in summer,
    freezing at night
  • fewer than 2 million of Africas 800 million
    people live in Sahara

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