February 2025

Zimbabwe’s forests: Mountain forest and grassland

By |2025-02-12T09:20:46+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Bananas and other crops have replaced natural vegetation in some areas. Image credit zadt.co.zw

ZIMSEC O Level Geography Notes: Zimbabwe’s forests: Mountain forest and grassland

  • This is found in the Eastern Highlands of Zimbabwe.
  • Temperature are generally below 20°C while rainfall is over 1 500 mm.
  • The altitude is generally above 1 […]
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World forest resources:Tropical forests

By |2025-02-12T09:40:54+02:00February 12th, 2025|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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Types of Forests: Deciduous temperate forests

By |2025-02-12T09:00:37+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Deciduous temperate forest. Image credit thinglink.com

ZIMSEC O Level Geography Notes: Natural Resources : Deciduous temperate forests

  • These are also known as temperate deciduous forests or temperate broad-leaf forests.
  • They are dominated by trees that lose their leaves each year.
  • They are found in areas with warm, moist summers and mild winters

    • […]

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Natural Resources: Water quality

By |2025-02-12T09:25:55+02:00February 12th, 2025|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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Fish processing and marketing

By |2025-02-12T09:35:52+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Sun dried Kapenta. Image credit blogspot.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Fish processing and marketing

  • Subsistence and commercial fishers employ more or less the same processing methods.
  • The high tropical temperatures mean that fish go bad very quickly after being landed from the lakes rivers and swamps.
  • Small […]
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Sea fisheries found on the west coast of Southern Africa

By |2025-02-12T09:12:24+02:00February 12th, 2025|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: Introduction

By |2025-02-12T09:34:50+02:00February 12th, 2025|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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The energy crisis in Zimbabwe

By |2025-02-12T08:57:24+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Polling Stations in the Dark. Image credit mg.co.za

ZIMSEC O Level Geography Notes: Natural Resources: Energy:The energy crisis in Zimbabwe 

The energy crisis in Zimbabwe is demonstrated through the following:

  • Frequent shortages of petroleum and its products resulting in long queues for the scarce commodity at service stations.
  • Fluctuating prices in the […]
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Adolf Hitler: Introduction

By |2025-02-12T09:03:10+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Adolf Hitler as a baby

ZIMSEC O Level History Notes: Dictatorship in Europe: Dictatorship in Germany: Adolf Hitler

Early Life                                                                                    

  • He was born in 1889 in Austria at Braunau
  • Hitler was an Austrian by nationality
  • His father died in 1903 and his mother in 1908, this left him at 19 with […]
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Biology Notes: Causes of accidents in the laboratory

By |2025-02-12T09:24:33+02:00February 12th, 2025|Notes, O Level Biology Notes, Ordinary Level Notes|

Nitric acid fumes. Image credit amazingrust.com

ZIMSEC O Level Biology Notes:Causes of accidents in the laboratory

  • Fire – There should never be open flames in the lab. Make it a working rule that water is the only nonflammable liquid you are likely to encounter.
  • Explosion – Never heat a closed system or […]
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