The Rozvi State
Tools found at Khami ruins founded after the fall of Great Zimbabwe: Image by Sky-scrapper city. The Rozvi State
Origins of the Rozvi State
- Changamire Dombo I, the leader of the Rozvi was a […]
February 2025
Reaction
What did you just say to me? Image by African American Register reaction
Usually any form of utterance elicits some form of response from the listener or intended recipient. In register a reaction is a response to someone’s statement, behavior […]
An aneroid barometer. Image People and Weather
People and Weather. Image via CNN. ZIMSEC O Level Geography Notes: People and Weather
- The earth’s climate and weather conditions have been changing constantly throughout the earth’s Geological Timescale.
- This has in turn had an impact on people’s cultures, history and current economical and social […]
Folding
Simple Folding. Image by Pixshark. ZIMSEC O Level Geography: Folding
- Tectonic movements are those movements that result from the earth’s internal forces.
- When forces move horizontally towards one another they are known as compressional.
- Rocks that make up the earth’s crust are subjected to these compressional forces in a […]
Physical weathering
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 […]
Water Action in Deserts
Rain falling in a desert. Image credit Snipview.
- In most deserts rain does not fall for several years.
- When it does it comes in the form of unexpected and infrequent downpours.
- Therefore despite the low rainfall totals (about 250mm per annum), water is […]
Factors affecting erosion, transportation and deposition
Laminar Flow. Image credit gjhikes.com ZIMSEC O Level Geography Notes
- The following factors affect the river’s energy and ability to erode, transport and deposit its load.
- Type of flow, gradient of channel, volume/discharge, cross-sectional channel shape, channel roughness.
Type of flow ![Laminar and Turbulent [...]
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Delivery Note and Consignment Note
Delivery Note. Image credit spreadsheet123.com ZIMSEC Commerce Notes: Delivery Note and Consignment Note
Delivery Note
- Is issued by a supplier to the buyer.
- It is written in duplicate
- It is used when the seller uses their own transport to deliver goods.
- It is sent with the goods.
- It is sued to […]
Money and its characteristics
Money. Image credit noirg.org ZIMSEC O Level Commerce Notes: Money and its characteristics
- Money was developed to overcome some of the problems of barter trade.
- There are many forms of money viz:
- Bank notes and coins
- Cheques
- Money orders
- Bills of exchange
- Postal Orders
Legal tender
- Bank notes and coins are legal tender.
- These are issued […]