Blair toilet
Blair Toilet. Image credit thestandard.co.zw ZIMSEC O Level Combined Science Notes: Blair toilet
- This was developed by the Blair Research Laboratory
The Blair Toilet.
- It is a refinement of the pit latrine
- They use […]
February 2025
Hourly rate/Time rate
Teachers receive a time rate pay. Image credit atlantablackstar.comZIMSEC O Level Business Studies Notes: Hourly rate/Time rate
- This is a way of paying workers based on the time/hours spent working
- The number of hours is calculated by multiplying a pre-agreed rate with the […]
Delegation
Delegation. Image credit blackenterprise.com
ZIMSEC O Level Business Studies Notes: Delegation
- Delegation-is the transfer of authority and responsibility by a superior/manager to a subordinate
- to carry out specific function,duties and tasks
- The delegator remains accountable for the outcome of the delegated work
- Delegation results in decentralisation
[…]
Written Communication
Written Communication. Image credit theodysseyonline.com
ZIMSEC O Level Business Studies Notes: Written Communication
- Involves any type of message that involves the use of the written word
- It includes things like emails, reports, letters, instant messages (Whatsapp and Facebook)
Advantages
- Same message can be delivered to different receives with speed e.g. an […]
Bantu Migrations
A mud hut reminiscent of the Early Iron Age. Image credit Pininterest.com
ZIMSEC O Level History Notes: Early Societies (Late Stone Age – Early Iron Age): Bantu Migrations
- Bantu migrations are believed to have been caused by the use of iron
- The Bantu are a group of about 300-400 enthinic groups from […]
Trade in the Mutapa State
Gold is one of the items traded in Mutapa kingdom. Image credit idolator.com
ZIMSEC O Level History Notes: The Mutapa State (Kingdom): Trade in the Mutapa State
- Three types of trade were done in the Mutapa state
- That is, internal trade with the locals,
- inter-regional trade with other states like the Ndebele […]
Possible solutions to the refugee problem
A Sudanese refugee. Image credit aljezeera.net
ZIMSEC O Level Geography Notes:Refugees: Possible solutions to the refugee problem
- These include both long term and short term solutions for the host countries.
Repatriation
- This is the return of refugees to their source country when the source of danger has been removed
- This is very expensive […]
Settlements Established by the Ndebele on their way from Zululand
Traditional Dancers. Image credit african.one
ZIMSEC O Level History Notes: The Ndebele State: Settlements Established by the Ndebele on their way from Zululand
- These are the names that the settlements that the Ndebele established on their way from Zululand:
- Ekhupumuleni
- Emhlahlahlandhlela
- Egabeni
- Mosega
- Endinaneni
- Enkengwini
- Tshweyane
Effects of the Prazo system
The Portuguese introduced maize as a crop. Image credit voazimbabwe.com
ZIMSEC O Level History Notes:The Portuguese in the Zambezi Valley: Effects of the Prazo system
- These were some of the effects of the Prazo system:
- It led to Portuguese controlling more land
- The Chikundas soldiers used by Portuguese to guard their land […]
Nomadism Case Study: The Fulani of West Africa
Fulani herder. Image credit vqronline.org
ZIMSEC O Level Geography Notes:Agriculture:Farming types in Africa: Subsistence farming: Nomadism Case Study: The Fulani of West Africa
- The Fulani practice their nomadism in a vast tract of land called the Sahel stretching from the Atlantic coast to the Ethiopian Highlands in the east.
- This region covers […]