February 2025

Human Geography: Hydrological cycle

By |2025-02-12T09:12:47+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The hydrological cycle. Image credit physicalgeography.net

ZIMSEC O Level Geography Notes:Natural Resources: Water: Hydrological cycle

  • If you are looking for the Hydrological Cycle explanation from Physical Geography please click/tap here.
  • The water cycle replenishes the world’s water resources through rain.
  • Hydro means water.
  • Rain water flows into streams and rivers […]
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Problems with inland fishing

By |2025-02-12T09:08:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Inland fishing faces a number of problems. Image credit safari365.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Problems with inland fishing

  • The potential of the SADC region’s fisheries is far from being realized because of several problems bedeviling the fishing industry.
  • These include the following:

Sedimentation of rivers, lakes and dams.

  • Most […]
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Energy:The siting and production of Hydro-electric power: Gorges

By |2025-02-12T09:27:59+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Kariba dam wall. Image credit Bloomberg.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy:The siting and production of HEP 

  • Site refers to the actual ground on which something is happening.
  • The siting of a hydro-electric power station depends on a number of physical factors.

Gorge

  • A gorge is a deep narrow […]
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Advantages and Disadvantages of Oil/Petroleum as a source of energy

By |2025-02-12T08:59:26+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Natural Resources: Energy: Advantages and Disadvantages of Natural gas as a source of energy

Advantages

  • Has high energy output, an efficient energy source.
  • Relatively cleaner compared with coal.
  • Easy to mine if land-based oilfields.
  • Easy to transport through pipelines.
  • Can be used to power vehicles
  • Relatively cheap.
  • Has a lot of other industrial uses.

Disadvantages

  • Environmentally […]
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Causes of Migrations

By |2025-02-12T09:19:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Causes of Migration. Image credit rnw.nl

ZIMSEC O Level Geography Notes: Migration: Causes of Migrations

  • Generally factors that affect migration are divide into two:
  • push factors and
  • pull factors
  • Push factors are those that are responsible for driving people from an area
  • Pull factors are those that attract people to an area.

    • […]

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Farming types in Africa: Subsistence farming

By |2025-02-12T09:04:18+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Subsistence Farming. Image credit wordpress.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Subsistence farming

  • Subsistence farmers grow traditional crops such as maize, rice, sorghum, groundnuts, rapoko, millet and cassava.
  • They keep livestock in the form of cattle, goats, mules, donkeys, pigs and some poultry.
  • This is done on a small scale […]
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The major estates of Zimbabwe: Hippo Valley case study

By |2025-02-12T09:40:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Hippo Valley Estate. Image credit wordpress.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:The major estates of Zimbabwe: Hippo Valley case study

  • Hippo Valley estate is located in the S.E Lowveld of Zimbabwe.
  • Size-Large land of size 111 4555 ha leased to a company by government.
  • Ownership-Ownership is by Anglo-American Corporation […]
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Types of industry: Other ways of classifying industries

By |2025-02-12T09:05:25+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Lytton Industry Harare. Image credit wordpress.com

ZIMSEC O Level Geography Notes:Types of industry: Other ways of classifying industries

  • Industries can also be classified as heavy and light industries depending on the bulk and weight of the raw materials being used.
  • The weight and size of the end products is also considered […]
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