February 2025

The concentric model/Burgess’s model (1924)

By |2025-02-12T08:59:41+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The Concentric Model. Image credit edublogs.org The Concentric Model. Image credit edublogs.org ZIMSEC O Level Geography Notes: Settlements: The concentric model/Burgess’s model (1924)

  • This is known alternatively as the concentric model, the ring model for urban land use or Burgess’ model.
  • It was formulated by Burgess and Park in 1924 after their […]
Comments Off on The concentric model/Burgess’s model (1924)

Population and health

By |2025-02-12T09:28:22+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Unsafe water is a health hazard. Image credit reuters.com

ZIMSEC O Level Geography Notes:Population and resources:Population and health

  • Important sources of a country’s health and quality of life are water supply and sanitation.
  • 97% of the world’s water resources is salty water mainly in the seas and oceans.
  • Of the remaining 3%, […]
Comments Off on Population and health

Farm Inputs: Sunshine,Temperature and Rainfall

By |2025-02-12T09:22:54+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Crops require good sunshine and a certain temperature in order to grow. Image credit mg.co.za

ZIMSEC O Level Geography Notes:Agriculture:Farming as a system:Farm Inputs: Sunshine and Temperature

Sunshine

  • It refers to cloud free days experienced in an area.
  • The number of days with sunshine decreases as latitude increases towards the poles.
  • Sunshine is […]
Comments Off on Farm Inputs: Sunshine,Temperature and Rainfall

Commercial farming in Zimbabwe

By |2025-02-12T09:31:36+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Commercial Farm in Zimbabwe.

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Commercial farming in Zimbabwe

Inputs

  • Land– ranges from 500 to 100 000 ha.
  • Rainfall– water for irrigation comes from rivers, dams, lakes or aquifers.
  • Capital– comes from banks or other farmers.
  • Labour– this comes from the farmers himself, skilled and […]
Comments Off on Commercial farming in Zimbabwe

Problems faced by ZISCO

By |2025-02-12T09:14:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The now defunct ZISCO steel. Image credit Newsday.co.zw

ZISCO Steel ceased operations in 2016

ZIMSEC O Level Geography Notes: Iron and Steel Industry:Problems faced by ZISCO

  • Old machineryZISCO has 4 blast furnaces of which only Blast Furnace No. 3 has been operating at near capacity.
  • The others due to […]
Comments Off on Problems faced by ZISCO

Introduction to trade

By |2025-02-12T09:36:39+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Flow of goods and services in trade. Image credit uwaterloo.ca

ZIMSEC O Level Geography Notes: Trade:Introduction

  • Trade, or commerce, involves the transfer of goods or services from one person or entity to another, often in exchange for money.
  • It can also be defined as the flow of commodities and services from producers […]
Comments Off on Introduction to trade

Oil in Nigeria:Benefits, drawbacks, problems of oil extraction

By |2025-02-12T09:00:47+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

An oil spill in Nigeria. Image credit huffingtonpost.com

ZIMSEC O Level Geography Notes: Natural Resources: Oil in Nigeria:Problems of oil extraction

The following are problem associated with oil extractions:

  • Hot humid equatorial climate is associated with high incidence of environmental diseases.
  • High temperatures reduce the capability of to work.
  • Slippery and unstable […]
Comments Off on Oil in Nigeria:Benefits, drawbacks, problems of oil extraction

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 […]
Comments Off on World forest resources:Tropical forests

Fishing:Natural lakes

By |2025-02-12T09:33:04+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Inland water fishing in Zambia. Image credit mg.co.za

ZIMSEC O Level Geography Notes: Natural Resources: Fishing: Fishing:Natural lakes

  • Fresh water lakes are mainly found in Tanzania, Malawi and Zambia.
  • Zimbabwe does not have natural lakes, all are man-made.
  • Lake Tanganyika in Tanzania and Lake Malawi are the largest and deepest rift […]
Comments Off on Fishing:Natural lakes
Go to Top