February 2025

Fish conservation at sea level

By |2025-02-12T09:19:34+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Fish drying. Image credit irinnews.org

ZIMSEC O Level Geography Notes: Natural Resources:Fishing:Fish conservation at sea level

  • Sustainable use of fish resources is necessary in order to meet present and future needs.
  • The following have been adapted by SADC countries to ensure sustainability of the fishing industry.
  • Quota system. Countries like South […]
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Nuclear power: Factors affecting location

By |2025-02-12T09:36:40+02:00February 12th, 2025|Notes, O Level Geography, Ordinary Level Notes|

Pelindaba Nuclear station South Africa. Image credit thinkgeoenergy.com

ZIMSEC O Level Geography Notes: Natural Resources: Energy: Nuclear power: Location factors

  • The pollution caused by nuclear power plants and the ever present danger of a melt down and nuclear fall-out have made such plants very sensitive in terms of location relative to […]
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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 […]
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Ideas expressed in Hitler’s Book Mein Kampf

By |2025-02-12T09:03:45+02:00February 12th, 2025|Notes, O Level History Notes, Ordinary Level Notes|

Mein Kampf

ZIMSEC O Level History Notes: Dictatorship in Europe: Dictatorship in Germany: Ideas expressed in Hitler’s Book Mein Kampf

  • To end unemployment and bring prosperity to Germany
  • To restore Germany pride and identity
  • To create living space for Germans
  • To reverse the Treaty of Versailles
  • To rescue Germany from the […]
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Chemical building blocks of Life: Water

By |2025-02-12T09:43:19+02:00February 12th, 2025|Notes, O Level Biology Notes, Ordinary Level Notes|

Water is life

ZIMSEC O Level Biology Notes:Chemical building blocks of Life: Bio-molecules

Water

Structure of a water molecule

  • Water is essential for life.
  • Approximately 75% earth’s surface is water.
  • Life evolved in water.
  • An average adult body is 50 to 65 percent water
  • This rises to about 80% in a child
  • A water molecule is made up of 2 hydrogen atoms […]
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The need for/importance of effective communication

By |2025-02-12T09:03:01+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Managing Human Resources: Communication in Business: The need for/importance of effective communication

  • Communication is said to be effective when it is received and understood in the manner in which the sender intended
  • Effective communication is essential to the achievement of the organisation’s goals
  • Without communication it would be hard to define the organisation’s […]
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Labour Turnover

By |2025-02-12T09:25:07+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Managing Human Resources: Human Resources Management: Labour Turnover

  • It is a statistical measure of the number of people who leave an organisation’s employ versus the number of people who remain in that organisation’s employment in a given year
  • It is expressed as a ratio:
  • \dfrac{\text{Number of people who left}}{\text{Avergage number of people employed}} […]
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Product: Introduction

By |2025-02-12T08:57:07+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Marketing:Product

  • A product is either a good or a service
  • They are the means by which businesses meet the needs and wants of the customers
  • Thus a product can be a good, idea, method, information, object or service created as a result of a process and serves a need or satisfies a want

    • […]

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Competitor oriented pricing

By |2025-02-12T09:17:56+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Marketing:Competitor oriented pricing

  • This is when a firm sets the prices of its products in relation to those of competitors
  • Instead of charging prices based on costs or customer perceptions prices are based on what the competitors are charging
  • This typically involves charging prices that are in line with those of competitors
  • The […]
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The role and importance of the accounting function

By |2025-02-12T09:40:19+02:00February 12th, 2025|Notes, O Level Business Studies Notes, Ordinary Level Notes|

ZIMSEC O Level Business Studies Notes: Business Finance and Accounting: The role and importance of the accounting function

  • Accounting is the organisational function that is primarily concerned with:
    1. devising methods for recording transactions, and actually recording those transactions
    2. keeping financial records,
    3. performing internal audits,
    4. reporting and analyzing financial information to the management,
    5. and advising on taxation matters
  • It is […]
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