January 2023

Domestic Trade in Zimbabwe

By |2022-09-15T12:35:39+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A vendor selling his wares

ZIMSEC O Level Geography Notes: Trade:Domestic Trade in Zimbabwe

  • Zimbabwe’s internal trade (domestic trade) is controlled by processing, manufacturing and marketing of agro-based products.
  • The flow of goods starts with the producer of raw materials, through to marketing boards, to manufacture, to wholesalers and retailers and […]
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Rehabilitation of mine areas.

By |2022-09-15T12:35:22+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A rehabilitated Zinc mine in Australia. Image credit abc.net.au

ZIMSEC O Level Geography Notes: Natural Resources:Mining:Rehabilitation of mine areas

  • Land rehabilitation is the process of returning the land in a given area to some degree of its former state, after some process (industry, natural disasters, etc.) has resulted in its damage.

    • […]

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World forest resources:Tropical forests

By |2022-09-15T12:35:07+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

An aerial view of a tropical rainforest. Image credit MediaWiki

ZIMSEC O Level Geography Notes:World forest resources:Tropical forests

  • The world’s forests can be divided into three broad classes.
  • These are tropical, temperate deciduous forests and coniferous forests.

Tropical forests

  • These are lowland and low latitude luxuriant forests.
  • They comprise tropical rain forests […]
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Natural Resources: Water quality

By |2022-09-15T12:34:57+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Water Quality is important. Image credit goinggreenrecyclingnigeria.org

ZIMSEC O Level Geography Notes: Natural Resources: Water: Water quality

The quality of water can be improved by:

  • Improving water treatment techniques.
  • Improving sanitation at household level.
  • Treating sewage before discharging it in streams and rivers.
  • Recycling industrial waste.
  • Use of bio-degradable chemicals in the […]
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Sea fisheries found on the west coast of Southern Africa

By |2022-09-15T12:34:44+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Recreational fishing off the coast of Namibia. Image credit travelnewsnamibia.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Sea fisheries on the west coast of Southern Africa

  • Fisheries of the Benguela cold current system cover the area along the west coast of South Africa, Namibia and southern Angola.
  • The area on the […]
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Geothermal power: Locational factors

By |2022-09-15T12:34:35+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A geothermal station in Iceland. Image credit ucsusa.org

ZIMSEC O Level Geography Notes: Natural Resources: Energy: Geothermal power locational factors

  • Geothermal power can only be generated in areas of active volcanicity.
  • These areas are known as geothermal hotspots.
  • These are zones where volcanic activity underground makes rocks hot and these rocks […]
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Advantages and Disadvantages of Hydroelectricity

By |2022-09-15T12:34:22+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A micro-hydroelectric power station. Image credit abc.net.au

ZIMSEC O Level Geography Notes: Natural Resources: Energy: Advantages and Disadvantages of Hydroelectricity

Advantages

  • Renewable energy source.
  • Cheap to maintain as water-transports itself to plants.
  • Very clean energy source.
  • Easy to use.
  • Very versatile, that is many uses.
  • Large lakes are multi-purpose can also be […]
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Weather symbols/ Synoptic Charts

By |2022-09-15T12:44:45+02:00January 24th, 2023|O Level Geography, Weather and Climate|

weather-min

ZIMSEC O Level Geography Notes: Weather Symbols and Synoptic Charts

  • After weather measurements have been taken at weather stations
  • they are then plotted onto synoptic charts.
  • These charts make use of special symbols as a form of pre-agreed shorthand that is used to show the weather conditions at a given place at a […]
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Land-forms resulting from folding

By |2022-09-15T12:44:32+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

The fold mountains of the Cape are among the most prominent features of folding. Image via AfricanSky. The fold mountains of the Cape are among the most prominent features of folding. Image via AfricanSky.

Land-forms resulting from folding

Several landforms are formed during the folding process including:

  1. Anticlines
  2. Nappe fold
  3. Overthrust
  4. Overfold
  5. Recumbent
  6. Fold mountains

1. Anticline

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