About Rachel Majaya

She holds a Bachelor of Science Honors in Applied Biology and Biochemistry from National University of Science and Technology, a Certificate in Good Clinical Practices from National Institute on Drug Abuse Clinical Trials Network, a Certificate in Leadership from Deloitte and Certificate in Chemistry Laboratory Experiments from Helsinki Metropolian University of Applied Sciences, Finland.

January 2023

Factors that affect the Spheres of influence

By |2022-09-15T12:37:13+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The city of Harare has the largest sphere of influence. Image credit

ZIMSEC O Level Geography Notes: Settlements:Factors that affect  the Spheres of influence

  • The most important factor in determining the sphere of influence of a settlement is it’s size
  • Products and services can also be used to determine a settlement’s […]
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Population growth

By |2022-09-15T12:37:13+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Population: Population growth

  • is an increase in the number of people that reside in a country, state, county, or city
  • There are several factors which affect the growth of a population
  • A country’s population grows as a result of natural births taking place within the community/country/region
  • Births increase the population
  • It can also grow […]
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Causes of Rapid Population change and the effects of rapid population change

By |2022-09-15T12:37:12+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Hopely Farm settlement

ZIMSEC O Level Geography Notes: Population: Causes of Rapid Population change and the effects of rapid population change

  • Improvement in the basic health care which has a lowered the death rate
  • Cultural factors for example, the desire to have a male child factor in the patriarchal societies
  • Need for […]
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Population Change

By |2022-09-15T12:37:12+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

Health care improvements affect population change. Image credit ibtimes.co.uk

ZIMSEC O Level Geography Notes: Population: Population Change

  • The difference between the size of the population to the end and the beginning of a period.
  • This change is developmental, that is, it has stages through which a population passes
  • This theory can be […]
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Population structure

By |2022-09-15T12:37:11+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Population: Population structure

  • The population structure of a country describes the population’s age, sex and the period males and females are expected to live
  • Population structure is the composition of a given population, which is broken down into categories such as age and gender.
  • This information can be shown on a population […]
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Introduction to population growth, change and structure

By |2022-09-15T12:37:10+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

ZIMSEC O Level Geography Notes: Introduction to population growth, change and structure

  • There is a strong inter-relationship between birth rate, death rate, population growth, change and structure.
  • Birth rate is the number of live births per 1 000 of the population in one year.
  • \text{Crude Birth Rate}=\dfrac{Number\quad of \quad Live \quad Births \quad in \quad Year}{Total\quad Population \quad in […]
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Migration: Introduction

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

Forced Migration. Image credit UNHCR

ZIMSEC O Level Geography Notes: Migration: Introduction

  • Migration is the permanent or semi-permanent movement of people from one area to another, one country to another or one continent to another.
  • This involves the change of residence
  • There are several ways to classify migrations and these are:
    1. In terms […]
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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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The city of Gweru

By |2022-09-15T12:37:19+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The city of Gweru. Image credit vevesworld.com

ZIMSEC O Level Geography Notes: Settlements: The city of Gweru

  • Gweru is an administrative capital of the Midlands region.
  • It has a male population of 776 787 and a female population of 838 154 which results in a total population of 1 614 941 […]
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The City of Mutare

By |2022-09-15T12:37:19+02:00January 24th, 2023|Notes, O Level Geography, Ordinary Level Notes|

The city of Mutare. Image credit blogger.com

ZIMSEC O Level Geography Notes: Settlements: The city of Mutare

  • Mutare is the eastern gateway into Zimbabwe.
  • It has a male population of 34 648 and a female population of 31 534.
  • This bring the total population to 28 068 according to the 2012 […]
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