January 2023

Land-forms resulting from folding

By |2022-09-15T12:44:32+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

The fold mountains of the Cape are among the most prominent features of folding. Image via AfricanSky. The fold mountains of the Cape are among the most prominent features of folding. Image via AfricanSky.

Land-forms resulting from folding

Several landforms are formed during the folding process including:

  1. Anticlines
  2. Nappe fold
  3. Overthrust
  4. Overfold
  5. Recumbent
  6. Fold mountains

1. Anticline

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Factors affecting weathering

By |2022-09-15T12:44:21+02:00January 24th, 2023|Landform Studies, Notes, O Level Geography, Ordinary Level Notes|

Weathered Limestone rocks. Image credit konfuciuszintezet.hu Weathered Limestone rocks. Image credit konfuciuszintezet.hu ZIMSEC O Level Geography Notes: Factors affecting weathering.

  • The rate and prvailing type of weathering at any given place is affected by:
  1. Climate
  2. Relief
  3. Vegetation
  4. Rock type

Climate

  • Weathering types are distrubuted according to the prevailing climate of given areas especially when considering.
  • Temperature and rainfall […]
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Interlocking spurs/spurs and steep valleys

By |2022-09-15T12:44:02+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Interlocking spurs. Image credit geography.org.uk Interlocking spurs. Image credit geography.org.uk ZIMSEC O Level Geography Notes: Interlocking spurs and steep-sided valleys

  • Interlocking spurs are a result of water taking the easiest path down the slope and tending ot go round resistant rock resulting in a winding course.
  • The bends become more pronounced with […]
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Registration as a source of population information

By |2022-09-15T12:40:45+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

A Zimbabwean ID document. Image credit newzimbabwe.com A Zimbabwean ID document. Image credit newzimbabwe.com ZIMSEC O Level Geography Notes: Population:Registration as a source of population information

  • Most governments, and the Zimbabwean government is no exception, require that its citizens register themselves with various government departments.
  • Primarily these registrations are with the office of […]
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Causes of Migrations

By |2022-09-15T12:37:03+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Causes of Migration. Image credit rnw.nl

ZIMSEC O Level Geography Notes: Migration: Causes of Migrations

  • Generally factors that affect migration are divide into two:
  • push factors and
  • pull factors
  • Push factors are those that are responsible for driving people from an area
  • Pull factors are those that attract people to an area.

    • […]

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Factors influencing farming: Economic factors

By |2022-09-15T12:36:43+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Farming requires transport to move the produce to the market. Image credit farmradio.fm

ZIMSEC O Level Geography Notes:Agriculture:Factors influencing farming: Economic factors

Transport

  • Types of transport available, time taken, and the cost of moving raw materials is one of the economic factors.
  • For perishable commodities for example milk, an efficient transport network is […]
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Human Farm Inputs: Seeds and Fertilizer

By |2022-09-15T12:36:44+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Fertilizer is often a critical input

ZIMSEC O Level Geography Notes:Agriculture:Human Farm Inputs: Seeds and Fertilizer
Seeds

  • These determine the germination rate, growth status and productivity level of crops.
  • Traditional farmers use seeds from the previous year’s harvest.
  • These seed mostly would have been damaged by fungi, insects and rodents such that their […]
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