O Level Geography Archives - Page 9 of 35 - Free ZIMSEC & Cambridge Revision Notes

Ways in which developing countries can improve trade

By Rachel Majaya|2025-02-12T09:07:44+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Processed platinum fetches a higher price than raw platinum

ZIMSEC O Level Geography Notes: Trade:Ways in which developing countries can improve trade

Trade in developing countries such as Zimbabwe can be enhanced by:

Diversification of their economies, that is, by producing a variety of new value added manufactured goods.
Investing in human […]

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Case Study:Oil in Nigeria

By Rachel Majaya|2025-02-12T08:58:50+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Oil drilling on the Niger Delta. Image credit worldofmatter.net

ZIMSEC O Level Geography Notes: Exploitation of Natural Resources: Case Study:Oil in Nigeria

Nigeria is the largest producer of oil in Africa. This sweet oil is similar in composition to petroleum extracted from the North Sea.
There are six petroleum exportation terminals in […]

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Indigenous commercial forests

By Rachel Majaya|2025-02-12T09:39:43+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Chirinda Forest in Chimanimani. Image credit afrikascout.de

ZIMSEC O Level Geography Notes: Natural Resources: Commercial timber resources:Indigenous commercial forests

Commercial timber resources in Zimbabwe can be divided into two classes, namely: indigenous tropical hardwoods and the exotic plantations.
1. The indigenous tropical hardwoods like the Zimbabwean teak, mahogany and mukwa.
2. The exotic […]

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Natural Resources: Water shortages

By Rachel Majaya|2025-02-12T09:24:31+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

A boy carrying water during 2016 water shortage in Zimbabwe. Image credit ibtimes.com

ZIMSEC O Level Geography Notes: Natural Resources: Water:Water shortages

Water supply shortages both at household and national level could be reduced by:

Water scarcity is the lack of sufficient, available water resources to meet water needs within a region.

[…]

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Ocean and Sea fishing

By Rachel Majaya|2025-02-12T09:11:23+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Horse Mackerel. Image credit sites.google.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Fishing:Sea fishing

The coastal areas of southern-central Africa stretching from Tanzania, through Mozambique, South Africa, Namibia, Angola and DRC is home to several marine species including fish.
Fish resources are concentrated within the narrow continental shelf, a few kilometres […]

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Energy:Thermal power

By Rachel Majaya|2025-02-12T09:28:46+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Hwange Thermal Power Station. Image credit businessdaily.co.zw

ZIMSEC O Level Geography Notes: Natural Resources: Energy:Thermal power

In thermal power production, fuel is used to heat water in huge boilers, converting this water into steam.
The steam at high pressure and through pipes, is directed to turbines.
The pressure turns the turbines […]

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Advantages and Disadvantages of Natural gas as a source of energy

By Rachel Majaya|2025-02-12T08:59:51+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Natural gas flame

ZIMSEC O Level Geography Notes: Natural Resources: Energy: Advantages and Disadvantages of Natural gas as a source of energy

Advantages

Has a high energy output.
Cleaner and efficient.
Easy to mine and transport
Cheap
Can power vehicles.
Has other industrial uses.

Disadvantages

Environmentally unfriendly through pollution especially of air.
Very […]

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Introduction to weather and climate

By garikaib|2025-02-12T08:59:57+02:00February 12th, 2025|O Level Geography, Weather and Climate|

Rainy Weather. Image by Sodahead. ZIMSEC O Level Geography Notes: Introduction to Weather and Climate

Weather-the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain, etc. The weather is all around us, all the time. It is an […]

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