February 2025

Conservative zones/Transform faults

By |2025-02-12T09:19:46+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

A conservative margin. Image by Expediatearcade. A conservative margin. Image by Expediatearcade. ZIMSEC O Level Geography Notes: Plate Tectonics: Transform Zones

  • At constructive zones plates slide sideways past each other.
  • In opposite directions in a tear or shear fashion.
  • At these margins lithosphere (land/oceanic crust) is neither created nor destroyed
  • That is neither plate is […]
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Physical weathering

By |2025-02-12T09:15:03+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Exfoliation weathering. Image credit asergeev.com Exfoliation weathering. Image credit asergeev.com ZIMSEC O Level Geography Notes: Physical Weathering

  • Physical weathering is the disintegration of a rock into smaller particles by mechanical processes and without any changes in the chemical composition of the rock.
  • It is more likely to occur in arid climates such […]
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Streambank cultivation,gold panning and other human activities

By |2025-02-12T09:10:51+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Bananas growing near a stream. Image credit MediaWiki. Bananas growing near a stream. Image credit MediaWiki. ZIMSEC O Level Geography Notes: River Processes: Stream bank cultivation

  • Stream bank cultivation refers to the practice of growing or cultivation of crops near a wetland, stream or river.
  • Sub-Saharan Africa has faced political, socio-economic problems […]
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Classification of settlements

By |2025-02-12T09:40:48+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A typical Zimbabwean rural homestead. Image credit lawhub.co.zw A typical Zimbabwean rural homestead. Image credit lawhub.co.zw ZIMSEC O Level Geography Notes: Settlements: Classification of settlements

  • Settlements are generally classified as either rural or urban.
  • Rural settlements are those settlements where mostly primary activities occur.
  • The majority of settlers in rural areas carry out […]
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Advantages and Disadvantages of a Population Census

By |2025-02-12T08:58:29+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A census in progress. Image credit times.co.za A census in progress. Image credit timeslive.co.za ZIMSEC O Level Geography Notes: Population:Advantages and Disadvantages of a Population Census

  • Like most things a population census has both its merits and demirits

Advantages

  • It is the most accurate count of a country’s population on which official planning […]
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Migration: Introduction

By |2025-02-12T09:19:16+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Forced Migration. Image credit UNHCR

ZIMSEC O Level Geography Notes: Migration: Introduction

  • Migration is the permanent or semi-permanent movement of people from one area to another, one country to another or one continent to another.
  • This involves the change of residence
  • There are several ways to classify migrations and these are:
    1. In terms […]
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Human Farm Inputs: Farm machinery

By |2025-02-12T09:00:16+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Farm Tractors are widely used equipment.

ZIMSEC O Level Geography Notes:Agriculture:Human Farm Inputs: Farm machinery

Farm machinery

  • This is a very crucial human input in that it determines the productive capacity of a farming system.
  • The machinery used depends on the technological advancements of that community.
  • Machinery helps in making work light in […]
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Human Farm Inputs: Labour and Capital

By |2025-02-12T09:26:20+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Capital and Labour are important on farms. Image credit buzzsouthafrica.com

ZIMSEC O Level Geography Notes:Agriculture:Farm Inputs:Farm Inputs: Labour and Capital

  • These fall under Human Inputs

Labour

  • This refers to the number of people involved in a production system, their skills or technical know-how as well as their production objectives.
  • In traditional farming systems, […]
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