February 2025

Protecting Water supplies

By |2025-02-12T09:10:19+02:00February 12th, 2025|Notes, O Level Science Notes, Ordinary Level Notes|

A protected well. Image credit totallandcare.org A protected well. Image credit totallandcare.org ZIMSEC O Level Combined Science Notes: Testing the purity of water

  • Most rural areas do not have access to running tap water
  • Their water comes from various sources including dams, wells, boreholes, springs
  • Some of these sources are produce […]
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Geographical organisation structure

By |2025-02-12T09:07:17+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Geographical based organisational structure

  • This is when an organisations divisions, operations, duties and positions are based geographical area, country, regions, provinces, towns or districts
  • Usually there is a Head Quarters to which all the subdivisions and their related personnel report to
  • The head quarters administers […]
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Communication in business: Face to face

By |2025-02-12T09:37:55+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

Interpersonal communication. Image credit darryllshaw.co.uk

ZIMSEC O Level Business Studies Notes: Leadership:One to one (interpersonal communication)

  • It is the exchange of information and ideas between two people
  • It involves face to face communication, verbal/spoken communication and non-verbal communication in form of gestures
  • It is the most frequently used form of communication when […]
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Population growth

By |2025-02-12T09:04:16+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Population: Population growth

  • is an increase in the number of people that reside in a country, state, county, or city
  • There are several factors which affect the growth of a population
  • A country’s population grows as a result of natural births taking place within the community/country/region
  • Births increase the population
  • It can also grow […]
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Sobhuza versus Zwide

By |2025-02-12T09:17:26+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Nguni apparel. Image credit BBC

ZIMSEC O Level History Notes: Crisis in Nguniland: Sobhuza versus Zwide

  • Zwide Kalanga (1758-1825) was the king of the Ndwandwe/Nxumalo nation circa 1805 to circa 1820
  • Around the time Zwide was king the Ndwandwe were a growing military power
  • Zidwe was an ambitious leader keen on expanding […]
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Common Killer diseases in the Tropics: Bilharzia

By |2025-02-12T09:30:10+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Bilharzia is a waterborne disease. Image credit lshtm.ac.uk

ZIMSEC O Level Geography Notes:Common Killer diseases in the Tropics: Bilharzia

  • Is also known as schistosomiasis.
  • It is another serious infection and wide spread in Africa and other tropical and sub-tropical regions.
  • The disease is caused by a flat worm that lives in various […]
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The Social Organization of the Ndebele State

By |2025-02-12T09:43:44+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Ndebele Caste system

ZIMSEC O Level History Notes: The Ndebele State:The Social Organization of the Ndebele State

  • The Ndebele state was organized in a caste system. A caste system is a system of class determined by birth meaning if you are born in a poor family you will also be poor
  • The […]
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Factors influencing farming: Physical or Environmental factors

By |2025-02-12T09:02:31+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Physical factors also affect agriculture. Image credit irinnews.org

ZIMSEC O Level Geography Notes:Agriculture:Factors influencing farming: Physical or Environmental factors

Temperature

  • These are critical for plant growth because each plant or crop type requires a minimum growing temperature.
  • In temperate latitudes this is 6°C. Below this members of the grass family, including cereals, cannot […]
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Human Farm Inputs: Labour and Capital

By |2025-02-12T09:26:20+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Capital and Labour are important on farms. Image credit buzzsouthafrica.com

ZIMSEC O Level Geography Notes:Agriculture:Farm Inputs:Farm Inputs: Labour and Capital

  • These fall under Human Inputs

Labour

  • This refers to the number of people involved in a production system, their skills or technical know-how as well as their production objectives.
  • In traditional farming systems, […]
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