February 2025

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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Lightining

By |2025-02-12T09:01:14+02:00February 12th, 2025|Notes, Weather and Climate|

Lightining. Image by GreenSociety. Lightining. Image by GreenSociety. ZIMSEC O Level Geography Notes: Weather Hazards: Lightining

  • Is typically caused by the physical characteristics of cumulonimbus weather conditions.
  • As rain drops fall the energy which they have causes a positive charge to develop at the top of a cloud and negative charges to develop […]
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Pressure

By |2025-02-12T09:09:34+02:00February 12th, 2025|O Level Geography, Weather and Climate|

An aneroid barometer. Image imgkid. An aneroid barometer. Image imgkid. ZIMSEC O Level Geography Notes: Pressure.

-is the pressure exerted by the weight of air in the atmosphere of Earth. It is measured in millibars. It is measured using an instrument known as a barometer. There are two different types of […]

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Deliberate Changes to weather: Cloud seeding, Dam construction, Greenhouses

By |2025-02-12T09:39:25+02:00February 12th, 2025|O Level Geography, Weather and Climate|

Greenhouses are used to grow crops like tomatoes in areas that suffer from frost or during winter. Greenhouses are used to grow crops like tomatoes in areas that suffer from frost or during winter. Image via Sustainablenantucket. ZIMSEC O Level Geography Notes: People and Weather: Deliberate Changes

Greenhouses

  • These are used […]
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Dwala/Ruware/Whaleback

By |2025-02-12T09:19:08+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Dwala/Ruware. Image credit WordPress.com Dwala/Ruware. Image credit WordPress.com ZIMSEC O Level Geography Notes: Landforms resulting from weathering: Dwala

  • Known as ruware in Shona, dwala in Ndebele (Nguni languages) and whaleback in English.
  • An example is Domboshava where several such landforms can be found.
  • It is a hill or rock which is dome shaped and rises several metres […]
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Braiding and Alluvial fans

By |2025-02-12T09:41:42+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Braided River. Image credit patternsofthefuture.com Braided River. Image credit patternsofthefuture.com ZIMSEC O Level Geography Notes: Braiding and Alluvial Fans

Braiding

  • Braiding occurs typically during the dry season when a river’s discharge is greatly reduced.
  • The river may be split into several channels which rejoin and split again.
  • These are known as braided river channels.
  • Rivers […]
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Quality of life in rural areas in Zimbabwe

By |2025-02-12T09:44:01+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A typical rural compound. Image credit techzim.co.zw A typical rural compound. Image credit techzim.co.zw ZIMSEC O Level Geography Notes: Settlements:Quality of life in rural areas in Zimbabwe

  • More recently in Chiadzwa families had to be resettled as their houses were on diamond fields.
  • Several families had to be resettled and compensated when […]
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