February 2025

Advantages and Disadvantages of coal as a source of energy

By |2025-02-12T08:58:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Burning coal

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

 Advantages

  • Relatively high energy amount.
  • Fairly plentiful with global estimate use of 4 000 years.
  • Employment creation in mining, processing, burning and distribution.
  • Has many other industrial uses.
  • Relatively cheap energy source.

Disadvantages

  • Non-renewable […]
Read More
Comments Off on Advantages and Disadvantages of coal as a source of energy

Case Study:Copper mining in Zambia

By |2025-02-12T09:38:48+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Kansanshi Copper mine in Zambia. Image credit apjjf.org

ZIMSEC O Level Geography Notes: Natural Resources: Case Study:Copper mining in Zambia

The Copper belt

  • The following are factors which have influenced the development of copper mining on the copper belt in Zambia:

Geological occurrence of copper

  • The copper deposits occur in an axial belt […]
Read More
Comments Off on Case Study:Copper mining in Zambia

Effects of deforestation in rural areas

By |2025-02-12T09:24:09+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Deforestation also occurs around urban areas

ZIMSEC O Level Geography Notes: Natural Resources: Forestry:Effects of deforestation in rural areas

  • Deforestation is not limited to communal areas in Zimbabwe but also extends to commercial farming areas and even government protected woodlands.
  • People poach timber for sale in towns as firewood or to […]
Read More
Comments Off on Effects of deforestation in rural areas

Zimbabwe’s main water sources

By |2025-02-12T09:13:22+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The Zambezi river. Image credit worldbank.org

ZIMSEC O Level Geography Notes: Natural Resources: Water: Zimbabwe’s main water sources

  • Zimbabwe’s main water sources indicate that most of the country’s major dams are either in the Lowveld or Highveld where suitable dam sites are found.
  • Lake Mutirikwi is one of the largest inland […]
Read More
Comments Off on Zimbabwe’s main water sources

Problems with inland fishing

By |2025-02-12T09:08:53+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Inland fishing faces a number of problems. Image credit safari365.com

ZIMSEC O Level Geography Notes: Natural Resources: Fishing:Problems with inland fishing

  • The potential of the SADC region’s fisheries is far from being realized because of several problems bedeviling the fishing industry.
  • These include the following:

Sedimentation of rivers, lakes and dams.

  • Most […]
Read More
Comments Off on Problems with inland fishing

The siting and production of hydro-electric power: Rivers and Space

By |2025-02-12T09:28:25+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

The Zambezi River and the Victoria Falls. Image credit thesafarisource.com/

ZIMSEC O Level Geography Notes: Natural Resources: Energy:The siting and production of hydro-electric power

Large perennial rivers

  • These are also important and necessary for establishing HEP stations.
  • These ensure a constant supply of a large volume of water required.
  • When the rivers […]
Read More
Comments Off on The siting and production of hydro-electric power: Rivers and Space

Advantages and Disadvantages of Oil/Petroleum as a source of energy

By |2025-02-12T08:59:26+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

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

Advantages

  • Has high energy output, an efficient energy source.
  • Relatively cleaner compared with coal.
  • Easy to mine if land-based oilfields.
  • Easy to transport through pipelines.
  • Can be used to power vehicles
  • Relatively cheap.
  • Has a lot of other industrial uses.

Disadvantages

  • Environmentally […]
Read More
Comments Off on Advantages and Disadvantages of Oil/Petroleum as a source of energy

Copper products, benefits and problems

By |2025-02-12T09:39:34+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Copper products in a hardware store

ZIMSEC O Level Geography Notes: Natural Resources: Copper mining in Zambia:Copper products

The following is a list of properties of copper:

  • Copper is ductile. Meaning it can be made into wire.
  • It can be polished, thus it is used for making ornaments for example, copper plates, […]
Read More
Comments Off on Copper products, benefits and problems

Sustainable Management of forest resources in rural areas

By |2025-02-12T09:24:30+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Some of the staff from various ministries and organisations in Zimbabwe involved in the sustainable use of resources

ZIMSEC O Level Geography Notes:Natural Resources: Sustainable Management of forest resources in rural areas

  • Sustainable economic development involves the careful management of resources, conservation and the monitoring of the effects of resource exploitation […]
Read More
Comments Off on Sustainable Management of forest resources in rural areas

Natural Resources: Sustainable water consumption

By |2025-02-12T09:13:43+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Water should be used in a sustainable manner.

ZIMSEC O Level Geography Notes: Natural Resources: Water: Sustainable water consumption

  • Sustainable water use means that water must be consumed at the same rate or slower than it is being replenished by the hydrological cycle.
  • To ensure equal access to water, increase protection […]
Read More
Comments Off on Natural Resources: Sustainable water consumption
Toggle Sliding Bar Area
Go to Top