Water

Water is a basic human need and is essential for human survival. Access to clean quality water leads to improved health. Significant human labor would be lost when humans fall ill and even deaths occur due to waterborne diseases. Therefore, there’s need for people to access water in adequate quantities and free of pathogenic organisms….

Potassium puh-tas’-ee-uhm. The chemical element potassium is a soft, light, silver white metal. It is a member of the alkali metals, a group (IA of the periodic table) with similar physical and chemical properties. Its chemical symbol is K (from kalium, the Latinized version of the Arabic word for alkali). Its atomic number is 19,…

In this essay I will discuss sea water desalination as a solution to improve water supply in Cape Town. My essay will include: a definition/ description of the process, cost, the amount of water that will be saved or provided and lastly, whether or not the process is an effective solution in improving the water…

Saliva can be secreted through two reflexes known as simple salivary reflex and conditioned reflex. Simple salivary reflex occurs when chemoreceptors are stimulated by the presence of food and send signal to the medulla oblongata which in turn signal the release of more saliva. The conditioned salivary reflex occurs when there is no oral stimulation….

Colour is usually the first contaminant to be recognized in a wastewater because a very small amount of synthetic dyes in water ( < 1 ppm) are highly visible, affecting the aesthetic merit, transparency and gas solubility of water bodies. They adsorb and reflect the sunlight entering water, thereby interfering with the aquatic species growth…

William Faulkner contributed a great deal to American literature with their new and unique styles of writing. They are both known for their experimental ideas which are quite different from each other. Faulkners novels contain descriptive, complicated and long sentences, while Hemingway writes in a simple, plain, and straightforward manner. Hemingway and Faulkners way of…

A buddy is there to help you check your gear and, when underwater, to help you in case of an emergency. After you are in the water, put on the fins, mask, and snorkel, and, carrying a weight belt, walk slowly backward to the middle of a shallow area. Sit on the bottom with the…

The still put out a lot of pollution, and use up fossil fuels. One day, we have to run out of fossil fuels. People have been talking about running cars on water for ages. Unfortunately, most of the time, these people are crackpots. But there is a certain amount of truth in what they say….

Many people assume that water is an unlimited natural resource. Is this true? Although water appears abundant, recent circumstances indicate that it is seriously vulnerable to pollution and depletion. Throughout this essay we will examine what ground water is, how it is important in the water cycle, how its contamination can affect us, and what…

Silk-fibroin Grafted with Chitosan is a Promising Polymer-based Nanoparticle for Drug Delivery Abstract I. Introduction Drug delivery systems are crucial to promote the efficacy of pharmaceutical compounds, as these carriers contain the active drug. The drug can be dissolved, dispersed, encapsulated, absorbed, or attached to the carrier. Therefore, the material used in the composition of the…