January 2023

Uses,problems,solutions of commercial forests in Zimbabwe

By |2022-09-15T12:35:11+02:00January 24th, 2023|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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Natural Resources: Water conservation

By |2022-09-15T12:34:56+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Conservation of water is important. Image credit voanews.com

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

  • Water conservation is the management of water resources in ways that prevent them from pollution.
  • It includes all the policies, strategies and activities made to sustainably manage the natural resource fresh water.
  • It also […]
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Sea fisheries found on the east coast of Southern Africa

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

Fishing on the Beira Coast in Mozambique. Image credit irinnews.org

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

  • The east coast of Southern Africa is washed by warm ocean currents, like the Mozambique current and the warm Agulhas current.
  • The area therefore […]
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Geothermal power: Introduction

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

Geothermal Power Station. Image credit MediaWiki

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

  • Geothermal power is generated using steam rhythmically shooting out from underground at high pressure in the form of geysers.
  • To control the movement of steam, an intricate network of pipes is installed collecting and directing the […]
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Advantages and Disadvantages of Solar energy

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

Solar Power Plant. Image credit sma-america.com

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

 Advantages

  • Renewable energy source.
  • Plentiful and inexhaustible.
  • Very clean.
  • Relatively cheap.
  • Can power vehicles.
  • Suitable even in remote areas.
  • High energy output.
  • No pollutions associated with it.

Disadvantages

  • Expensive for poor rural communities.
  • Affected […]
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