February 2025

The Weather Station

By |2025-02-12T09:04:04+02:00February 12th, 2025|O Level Geography, Weather and Climate|

A typical weather station. Image by Stanbachonline. A typical weather station. Image by Stanbachonline. ZIMSEC O Level Geography Notes: Weather Station

-A weather station is a facility, either on land or sea, with instruments and equipment for measuring atmospheric conditions to provide information for weather forecasts and to study the weather […]

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Earthquakes and their causes

By |2025-02-12T09:05:59+02:00February 12th, 2025|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Destruction wreaked by an earthquake. Image credit Telegraph.co.uk Destruction wreaked by an earthquake. Image credit Telegraph.co.uk ZIMSEC O Level Geography Notes: Earthquakes and their causes

  • An earthquake is a shaking, vibration, trembling or movement in the earth’s crust.
  • They are caused by one tectonic plate sliding over or past another plate along […]
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River transportation processes

By |2025-02-12T09:20:18+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes, River Processes|

River transportation processes. Image credit BBC. River transportation processes. Image credit BBC. ZIMSEC O Level Geography Notes: River Transportation Processes.

  • Any energy left after a river has overcome friction is used to transport sediment.
  • This energy varies directly with a river’s discharge, velocity and turbulence
  • That is if they increase the amount of […]
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Commerce:Invoices

By |2025-02-12T09:07:03+02:00February 12th, 2025|Notes, O Level Commerce Notes, Ordinary Level Notes, Principles of Accounts Notes|

ZIMSEC Commerce Notes: Invoices

  • There are two main types of invoices:
  • A proforma invoice and,
  • ordinary invoices.

Proforma invoice

  • Is a document in the form of an invoice.
  • Is send by a supplier to a potential buyer.
  • It may be used as a quotation.
  • It shows terms of payment.
  • It show quantities of goods/services.
  • Is used when goods are send […]
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Money and Banking: Introduction

By |2025-02-12T09:26:10+02:00February 12th, 2025|Notes, O Level Commerce Notes, Ordinary Level Notes|

Barter Trade. Image credit passnow.com Barter Trade. Image credit passnow.com ZIMSEC O Level Commerce Notes: Money and Banking: Introduction

  • As already mentioned the development of specialisation led to the development of trade people sought to satisfy their unmet needs and disposed the excess goods and services they had produced.
  • This led to […]
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Small scale Retailers

By |2025-02-12T09:18:44+02:00February 12th, 2025|Notes, O Level Commerce Notes, Ordinary Level Notes|

Roadside Vendors are quite popular along Harare's roads Roadside Vendors are quite popular along Harare’s roads. Picture by Celebrity

  ZIMSEC O Level Commerce Notes: Retail trade: small scale retailers. ZIMSEC O Level Commerce Notes: Retail trade: small scale retailers.

Small scale retailers

  • are usually owned by individuals
  • are found in the private […]
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