Cambrige Notes: Differences between shares and debentures
ZIMSEC O Level Commerce Notes: Differences between shares and debentures
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February 2025
Commerce: Beneficiation And Value Addition/ Added Value
ZIMSEC O Level Commerce Notes: Beneficiation And Value Addition/ Added Value
- One of the reasons why developing countries lag behind developed countries is due to the imbalance of trade
- Developing countries export mainly raw unprocessed materials which have a low price per unit
- On the other hand developed countries export back high value processed materials
- This means […]
Zvindori/Zvirevo zvisina zviito (copulatives)
Chindori (Copulative)
Zvinogoneka muChiShona kuti munhu ataure chirevo chakazara asingashandise chiito. Izvi zvinogoneka tichishandisa mavara anonzi zvindori. Vamwe vanamuzvinafundo weShona vanodaidza mavara aya kuti zviwedzera zvezvirevo zvisina zviito pachirungu mavara aya ose anonzi macopulatives.
Mhando dzezvindori
1. Chiwedzera /ndi-/ chinogona kushandiswa kuvaka zvindori semienzaniso inotevera:
a) Kushandura mazita ari mumupanda 1a, 2a ne […]
Emotions/Feelings
Angry Couple. Image By Jet Emotions/Feelings
A feeling is an emotional state. Emotions are sensations derived from one’s circumstances, mood or relationship with others. Usually feelings are accompanied by a set of physiological changes such as a change in heartbeat or breathing rate. These changes can […]
Air Masses
World Winds and Pressure Systems. Image by Wikipedia Air masses
Air Masses
- An air mass is a large body of air, whose properties – temperature, humidity (air moisture) and lapse rate – are largely uniform (the same) over an area several hundred kilometers across.
- The regions […]
Temperature
Six’s thermometer ZIMSEC O Level Geography Notes: Temperature
- The daily maximum and minimum temperatures are measured using Six’s thermometer (pictured above).
- It was invented by James Six a British scientist hence the name Six’s thermometer.
- It is also known as the Maximum and Minimum thermometer.
- It is housed in a Stevenson’s screen.
- Diurnal […]
Prevailing Winds in Southern Africa
The Harmattan. Image by Kafkaesqublog ZIMSEC O Level Geography Notes: Prevailing Winds in Southern Africa
- The eastern parts of Zimbabwe about 200km from the port of Beira and on average Zimbabwe is about 400km from the Indian Ocean, the closest ocean to the country.
- Due to its proximity to the […]
Convergence and collision zones/plates
Convergence zone. Image by Coft.edu ZIMSEC O Level Geography Notes: Plate tectonics: Convergence Zone.
Convergence zone
- Are also know as destructive plates (zones) or the zone of subduction.
- This is when two plates move towards each other as shown on the diagram above.
- An Ocean crust moves towards a […]
The effects of earthquakes
A tsunami in Miyako Japan 2011/Image credit Ibtimes. ZIMSEC O Level Geography Notes: The effects of Earthquakes.
Factors that may affect the impact of earthquakes.
- Distance of concerned area from epicenter although you should take note of the factor below.
- Coastal locations have a higher risk […]
Sand Dunes and Ripples
Seif dunes. Image credit 7-themes.com ZIMSEC O Level Geography Notes: Sand Dunes
- As soon as wind velocity drops wind deposition occurs.
- The heaviest material is deposited first while the finer material and dust is carried further before being dropped.
- As a result loess (which consists of fine particles) is sometimes […]