Introduction
There is interdependence and inter-relationship existing among nations of the world. No nation is an island. Nations of the world have become so closely related to one another as a result of […]

The Velocity of Sound Waves
Since there are three states of matter, it means there must be three velocities for the three states, because experimentally three states are not the same. The velocity varies from […]

Introduction to Angles of Elevation and Depression 
Any surface which is parallel to the surface of the earth is said to be horizontal. For example, the surface of liquid in a container is always horizontal, […]

What is a Budget?
A budget could be defined as the quantitative expression of any financial plan specified for a certain period. It could entail everything from planned sales volumes, resource quantities, costs […]

The Meaning of Turnover
This is the value of total sales of an organization during an accounting period. The turnover of a business is another name for sale.

Rate of turnover: This is the number of times the […]

Bar Chart
A bar graph is a way to visually represent qualitative data. Qualitative or categorical data occurs when the information concerns a trait or attribute and is not numerical. This kind of graph […]

Understanding the Relationship between a Writer’s Purpose and Tone
Instruction: Read the comprehension passage below [fusion_builder_container hundred_percent=”yes” o […]

General Overview of the Nigerian Economy
Nigeria is a middle income, mixed economy and emerging market, with expanding manufacturing, financial, service, communications, technology and entertainment sectors. It […]

Introduction 
The transformations of energy in an ecosystem begin first with the input of energy from the sun. Energy from the sun is captured by the process of photosynthesis. Carbon dioxide is combined with […]

Definition of Cultism
Cultism can also be called secret cult; it can be defined as an enclosed organized association devoted to the same cause. Members of this group always commit themselves to oath and […]

Introduction
These are the salts of carbonic acid. The anions are represented as:

Carbonate ion trioxocarbonate (IV) : CO32-
Bicarbonate ion or hydrogen trioxocarbonates:  HCO3–

These anions are for […]

Introduction
Population in Nigeria increased from 1990 to 2008 by 57 million, 60% growth rate. Nigeria is the most populous country in Africa and accounts for about 18% of the continent’s total population, h […]

Reproduction
Reproduction is defined as the ability of living organisms to give rise to new individuals of the same species. The purpose of reproduction is to ensure the continuity of life.

Sexual […]

Introduction
Let’s start off with some raw data (not a grouped frequency) .

Example: Alex did a survey of how many games each of 20 friends owned, and got this:

9, 15, 11, 12, 3, 5, 10, 20, 14, 6, 8, 8, 1 […]

Introduction
In our environment, we see iron nails, sulphur roll, copper wire, aluminium sheets, etc. we also breathe in oxygen (air) to stay alive. These substances: iron, sulphur, copper and oxygen, are […]

Four  Mile Team Race at Olympics
Held only on a single occasion at the Olympics, the 4 Mile Team Race is now an obsolete track and field event. The closely contested event was one of the main attractions of the […]

Diseases
Diseases can be defined as the absence of normal health due to infection, nutritional deficiency and imbalance, hereditary and functional disorders as well as injuries. Diseases can also be described as […]

Clause: Subordinate and Insubordinate
A subordinate clause (or dependent clause) is a clause that cannot stand alone as a complete sentence because it does not express a complete thought.

A subordinate clause […]

Concept of Culturing

Culturing simply involves the techniques of growing micro-organisms in special media in the laboratory. It involves the making of sterile medium, inoculating, incubating and examining […]

Large Scale Retailing
Large scale retail trade has a large scale of operation; the retailers achieve their growth by increasing the physical size of their units to cater for more customers. Examples of large […]