Notes Archives - Page 25 of 189 - Free ZIMSEC & Cambridge Revision Notes

Convectional rainfall

By garikaib|2022-09-15T12:44:49+02:00January 24th, 2023|O Level Geography, Weather and Climate|

Convectional Rainfall commonly occurs in rainforests. Image by Wallpaperlepi ZIMSEC O Level Geography Notes: Convectional Rainfall

This is the main type of rainfall in the humid tropics such as the Amazon and Congo rain forests.
Occurs when the ground surface is locally […]

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The theory of continental drift

By garikaib|2022-09-15T12:44:36+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Evedence for the continental drift. Image by Wiki Commons. Evidence for the continental drift. Image by Wiki Commons. ZIMSEC O Level Geography Notes: The theory of continental drift

The theory of or idea that present day continents were once one single continent.
Continental drifts refers to the movement of continents.
The theory says that […]

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Benefits and Problems of Volcanoes

By garikaib|2022-09-15T12:44:26+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Fertile volcanic soil Kenya. Image credit tishaferral.com ZIMSEC O Level Geography Notes: Benefits and Problems of Volcanoes

Benefits of volcanoes to humans

They eject lava and ash which in turn produce very fertile soils which boost agriculture activities.
Volcanoes and areas near them can […]

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Wind Action in Deserts: Wind Transport and Deposition

By garikaib|2022-09-15T12:44:16+02:00January 24th, 2023|Hot Deserts, Notes, O Level Geography, Ordinary Level Notes|

Wind transportation methods. Image credit apod.com ZIMSEC O Level Geography Notes: Wind Action in Deserts: Wind Transport

Wind is able to transport (move) sand and dust particles depending on its speed and flow.
The effectiveness of wind erosion and transport depend on a number of factors:
Aeolian […]

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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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Deltas

By garikaib|2022-09-15T12:43:59+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

A satellite photo of the Nile Delta. Image credit Flckr.com ZIMSEC O Level Geography Notes: Deltas

A delta is a gently sloping depositional feature that is found at a river’s mouth where it empties into a sea or ocean that extends […]

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Statement of Account

By garikaib|2022-09-15T12:43:50+02:00January 24th, 2023|Notes, O Level Commerce Notes, Ordinary Level Notes, Principles of Accounts Notes|

A statement of account. Image credit restaurant365.net ZIMSEC O Level Commerce Notes: Statement of Account

Also known as an account statement or customer statement.
It is a summary of all the transactions (for a particular customer) over a period of time.
It is issued by a […]

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Drainage Basin

By garikaib|2022-09-15T12:43:41+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes, River Processes|

The drainage basin. Image credit BBC. ZIMSEC O Level Geography Notes: Drainage Basin

The term drainage basin refers to an area of land drained by a river and its tributaries (river system).
It includes water found in the water table and surface run-off.
The drainage basin is also known […]

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Retailers and their functions

By garikaib|2022-09-15T12:43:32+02:00January 24th, 2023|Notes, O Level Commerce Notes, Ordinary Level Notes|

OK Zimbabwe operates one of the country’s most popular retail chains. Image from the Chronicle. ZIMSEC O Level Commerce Notes: Retail Trade: Retailers and their functions