February 2025

Fish conservation

By |2025-02-12T09:08:36+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Police patrols can reduce fish poaching. Image credit flickr.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fish conservation

  • The fishing industry in the SADC region can only be sustained if sustainable methods are employed.
  • The following methods of conservation have been put in place in the region.
  • Legislation has been enacted […]
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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 coal as a source of energy

By |2025-02-12T08:58:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Burning coal

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

 Advantages

  • Relatively high energy amount.
  • Fairly plentiful with global estimate use of 4 000 years.
  • Employment creation in mining, processing, burning and distribution.
  • Has many other industrial uses.
  • Relatively cheap energy source.

Disadvantages

  • Non-renewable […]
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