January 2023

Cyclones

By |2022-09-15T12:44:51+02:00January 24th, 2023|O Level Geography, Weather and Climate|

The formation of a cyclone. Image via Imagarcade. The formation of a cyclone. Image via Imagarcade. ZIMSEC O Level Geography Notes: Cyclones

Features of a cyclone.

  • These are systems of intense low pressure.
  • There are sometimes known as hurricanes (the U.S and the American continents) and typhoons( in Asian countries).
  • On a map the […]
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Calderas

By |2022-09-15T12:44:27+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

El Boqueron caldera in El Salvador. Image credit Wikispaces.com El Boqueron caldera in El Salvador. Image credit Wikispaces.com ZIMSEC O Level Geography Notes: Calderas

  • Calderas are very large craters often two or more kilometers in diameter that form at the top of volcanoes.
  • They are often deep extending downwards for a few hundred […]
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River processes: Basic Concepts

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

A turbulent river. Image credit jokeroo. A turbulent river. Image credit jokeroo.com ZIMSEC O Level Geography Notes: River processes:Basic Concepts.

  • Rivers are perhaps the most important denudation agent.
  • They carve channels, form valleys,transport and deposit regolith  over great distances and other material to form other types of landforms.

Terms used in describing a […]

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Specialisation

By |2022-09-15T12:43:52+02:00January 24th, 2023|Notes, O Level Commerce Notes, Ordinary Level Notes|

Image credit fransgaard.com Image credit fransgaard.com ZIMSEC O Level Commerce Notes: Specialisation

Specialisation is a result of division of labour that results in a worker honing their particular skills to become experts.

Benefits of specialisation of labour

  • workers and firms become experts in a particular job
  • training institutions have found it easy to set […]
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Night Safe Facilities and Safe Deposit boxes

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

Safe Deposit Boxes. Image credit expresspage.net Safe Deposit Boxes. Image credit expresspage.net ZIMSEC O Level Commerce Notes: Money and Banking: Night Safe Facilities and Safe Deposit boxes

Night safe- facility

  • Safe guards money for traders who do their business during the night.
  • They lock their money in bags or wallets.
  • The bags are slotted […]
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Dishonoured cheques and the reason for their being dishonoured

By |2022-09-15T12:43:33+02:00January 24th, 2023|Notes, O Level Commerce Notes, Ordinary Level Notes|

Image credit locanto.in Image credit locanto.in ZIMSEC O Level Commerce Notes: Money and Banking: Dishonoured cheques and the reason for their being dishonoured

  • A cheque is said to be dishonoured if the bank refuses to pay the amount of cheque.
  • Thus dishonoring of a cheque means the refusal by the bank to pay […]
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Vending machines, DIY products and Shopping Malls

By |2022-09-15T12:43:26+02:00January 24th, 2023|Notes, O Level Commerce Notes, Ordinary Level Notes|

A DIY Kit. Image credit 2020pv.co.uk A DIY Kit. Image credit 2020pv.co.uk ZIMSEC O Level Commerce Notes: Vending Machine, Do It Yourself products and Shopping Malls.

Vending machines

  • These are machines, which are installed in buys areas.
  • An example is an ATM (Automated Teller Machine).
  • The machines may be hired or leased. They operate […]
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