February 2025

Case Study:Oil in Nigeria

By |2025-02-12T08:58:50+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Oil drilling on the Niger Delta. Image credit worldofmatter.net

ZIMSEC O Level Geography Notes: Exploitation of Natural Resources: Case Study:Oil in Nigeria

  • Nigeria is the largest producer of oil in Africa. This sweet oil is similar in composition to petroleum extracted from the North Sea.
  •  There are six petroleum exportation terminals in […]
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Uses,problems,solutions of commercial forests in Zimbabwe

By |2025-02-12T09:40:36+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Treated poles. Image credit wattle.co.zw

ZIMSEC O Level Geography Notes:Uses, problems and solutions of commercial forests

  • Commercial forests have different uses.
  • Some of which include:
    1. The pine and eucalyptus are mainly used for construction purposes, furniture making as well as in the pulp and paper industry.
    2. Treated eucalyptus poles are also […]
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Inland fresh water fishing

By |2025-02-12T09:32:36+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Woman fishing in a river. Image credit adventourizim.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Inland fresh water fishing

  • Subsistence fishing has been and is still practiced in Southern Africa.
  • Subsistence fishing refers to fishing, other than sport fishing, that is carried out primarily to feed the family and relatives […]
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Sea fishing methods

By |2025-02-12T09:19:05+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Hauling in fish during commercial sea fishing. Image credit pinterest.comg

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Sea fishing methods

  • The types of fishing methods employed in sea fishing are determined by the type of fish being exploited.
  • There are two main types of fish found in the oceans of Southern […]
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Nuclear power: Factors affecting location

By |2025-02-12T09:36:40+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Pelindaba Nuclear station South Africa. Image credit thinkgeoenergy.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy: Nuclear power: Location factors

  • The pollution caused by nuclear power plants and the ever present danger of a melt down and nuclear fall-out have made such plants very sensitive in terms of location relative to […]
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Transport: Draught power

By |2025-02-12T09:27:17+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Mules carrying packs. Image credit MediaWiki Mules carrying packs. Image credit MediaWiki ZIMSEC O Level Geography Notes: Transport: Draught Power
Draught power

  • Refers to the use of animals such as elephants, mules, donkeys, camels and horses

Advantages

  • It is cheap
  • It is much more readily available
  • Can scale steep terrain and reach inaccessible areas.
  • Does not require […]
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The concentric model/Burgess’s model (1924)

By |2025-02-12T08:59:41+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The Concentric Model. Image credit edublogs.org The Concentric Model. Image credit edublogs.org ZIMSEC O Level Geography Notes: Settlements: The concentric model/Burgess’s model (1924)

  • This is known alternatively as the concentric model, the ring model for urban land use or Burgess’ model.
  • It was formulated by Burgess and Park in 1924 after their […]
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Population and health

By |2025-02-12T09:28:22+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Unsafe water is a health hazard. Image credit reuters.com

ZIMSEC O Level Geography Notes:Population and resources:Population and health

  • Important sources of a country’s health and quality of life are water supply and sanitation.
  • 97% of the world’s water resources is salty water mainly in the seas and oceans.
  • Of the remaining 3%, […]
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Farm Inputs: Sunshine,Temperature and Rainfall

By |2025-02-12T09:22:54+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Crops require good sunshine and a certain temperature in order to grow. Image credit mg.co.za

ZIMSEC O Level Geography Notes:Agriculture:Farming as a system:Farm Inputs: Sunshine and Temperature

Sunshine

  • It refers to cloud free days experienced in an area.
  • The number of days with sunshine decreases as latitude increases towards the poles.
  • Sunshine is […]
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