O Level Geography Archives - Page 14 of 35 - Free ZIMSEC & Cambridge Revision Notes

Wind in deserts

By garikaib|2022-09-15T12:44:17+02:00January 24th, 2023|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

A sandstorm in a desert. Image credit annechia.com ZIMSEC O Level Geography Notes: Wind in Deserts

Wind is responsible for eroding, transporting and depositing materials in deserts.
To learn more go to Wind Action in Deserts.
Various landforms are formed by the above processes. […]

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River Erosion

By garikaib|2022-09-15T12:44:07+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

River erosion. Image credit Internationalarchives.org ZIMSEC O Level Geography Notes: River Erosion

River erosion involves the wearing away of rock and soil found along the river bed and banks.
It also involves the breaking down of the rock particles being carried downstream by the river.
There are four […]

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River rejuvenation

By garikaib|2022-09-15T12:43:56+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

Paired terraces resulting from rejuvination. Image credit Geographyas.info ZIMSEC O Level Geography Notes: River Rejuvination

Rejuvenation-occurs when there is a negative change in a river’s base level (i.e. when the river’s base level falls) which increases its potential energy and thus enables it […]

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Trains and rail transport

By garikaib|2022-09-15T12:41:09+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

An NRZ train. Image credit sa-transport.co.za ZIMSEC O Level Geography Notes: Transport: Trains and rail transport

Advantages

Is relatively cheap
Caries bulk goods such as coal and unprocessed ores
Carries large amounts of goods and
Carries large amounts of passengers
They are comfortable
Can be very fast
They are less prone to […]

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The city of Harare

By garikaib|2022-09-15T12:40:59+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

harare_night-min

ZIMSEC O Level Geography Notes: Settlements: The city of Harare

According to the 2012 census:
Harare has a population of 2 098 199 people.
With a male population of: 1 011 831
And a female population of: 1 086 368
It is Zimbabwe’s administrative capital and largest city.
It is the focal point of all roads, rail […]

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The City of Mutare

By Rachel Majaya|2022-09-15T12:37:19+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The city of Mutare. Image credit blogger.com

ZIMSEC O Level Geography Notes: Settlements: The city of Mutare

Mutare is the eastern gateway into Zimbabwe.
It has a male population of 34 648 and a female population of 31 534.
This bring the total population to 28 068 according to the 2012 […]

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Population and health

By Rachel Majaya|2022-09-15T12:36:59+02:00January 24th, 2023|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%, […]

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Problems caused by nomadism

By Rachel Majaya|2022-09-15T12:36:39+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Tuaregs of North Africa. Image credit thisfabtrek.com

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Subsistence farming: Problems caused by nomadism

The way of life led by the nomads creates a lot of problems to the environment, to themselves, to other people and to African governments.
These problems include:

Cattle diseases.

These spread […]

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Irrigation Farming

By Rachel Majaya|2022-09-15T12:36:33+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Small scale irrigation. Image credit wfp.org

ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa:Irrigation Farming

This is the artificial application of water on land in order to grow crops when prevailing climatic and weather conditions cannot sustain such crop growth.
This expensive farming system is carried out in order to:
1. Increase […]

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Types of industry: Secondary Industry

By Rachel Majaya|2022-09-15T12:36:23+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Workers at a sawmill. Image credit blogspot.com

ZIMSEC O Level Geography Notes:Industrial Studies: Introduction

These are also known as processing and manufacturing industries.
In these industries, the production processes are undertaken in a unit called the factory.
It is important to distinguish between processing and manufacturing.
Processing involves the initial removal of […]

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January 2023