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Amwoga Khalwale What Is Chemical Change? A chemical change happens when one chemical substance is transformed into one or more different substances such as when ion becomes rust. Chemical changes occur throughout the process of chemical reactions and the resulting substances have different properties because their atoms and molecules are arranged differently. Chemists categorize chemical changes into … Read more
Variations, the small differences that exist between individuals can be described as being either discontinuous or continuous. What Is Continuous Variations? In continuous variation, there is a complete range of measurements from one extreme to the other. Human height is an example of continuous variation. It ranges from that of the shortest person to the … Read more
Transmission mode refers to the mechanism of transferring data between two devices connected over a network. There are three types of transmission modes, they include: Simplex Mode Half duplex Mode Full duplex Mode In simplex mode, communication flows in one direction (unidirectional). A device can only send the data but cannot receive it or it … Read more
Genotype and phenotype are two fundamental terms in the science of genetics used to explicate the appearance, function and behavior of an organism. The two terms are often used at the same time to describe the same organism but there is a big difference between. The phenotype is the result of genetic factors, environmental influences … Read more
A structure as a whole system is divided into a number of different parts mainly comprising of footing, column, beam and slab. A beam is a horizontal structural element which withstands vertical loads whereas columns are basically vertical members which span from substructure to superstructure and play a crucial role in transfer of load from … Read more
Descriptive Statistics uses data to provide description of a population either through numerical calculations or graphs or tables. Inferential statistics on the hand makes inferences and prediction about a population based on a sample of data taken from the population in question. Below are more insights into how descriptive statistics differ from inferential statistics. The … Read more
What is Reserve? Reserves are funds set aside from profits (retained earnings) for a specific purpose or for general future needs. They are used to strengthen the financial position of the company or prepare for future planned expenses. For example, a company may create a reserve for business expansion, equipment replacement, or as a contingency … Read more
What is Consumer Price Index (CPI)? The Consumer Price Index (CPI) is a measure that examines the average change in prices paid by consumers for a basket of goods and services over time. It is one of the most widely used indicators for inflation and is important for assessing changes in the cost of living … Read more
Chromatography is a laboratory technique for separation of mixtures. The mixture is dissolved in a fluid referred to as the mobile phase, which carries it through a structure holding another material called the stationary phase. The various constituents of the mixture travel at different speeds, causing them to separate. Chromatography was invented by the Russian … Read more
What Are Biotic Factors? Biotic factors also referred to as biotic components can be described as any living component that affects another organism or shapes the ecosystem. This includes other organisms within their ecosystem and the organism that is being consumed. Biotic factors include animals, plants, fungi, bacteria and protists. Biotic factors also include human … Read more