Description Microorganisms are usually killed by heat as a result of the inactivation of their protein including enzymes. The heat is applied in either moist or in dry conditions in processes of sterilization referred to as moist heat and dry heat sterilization. Dry heat destroys microorganism by oxidizing their proteins and other chemical constituents. When … Read more
What Is Flora ? Flora can be defined as a group of indigenous plants (trees, plants and other forms of life such as fungi and algae) in an ecosystem of a given geographical region of the planet or have grown in an area during a certain time period. Examples of flora include: Grassland Giant redwood … Read more
Learn the difference between blood and lymph. The basis of comparison include: Description, color, circulatory system, function, the flow, nutrient and waste products, purification, clotting, visibility, diseases, components and movements. The Difference Description Blood is a specialized body fluid in humans and other animals that transports oxygen and nutrients to the cells and carries away … Read more
Within the broader hominid lineage, the Homo genus appeared around 2.5 to 2.8 million years ago. In this article, learn the difference between homo sapien and Homo erectus. The basis of comparison include: evolution, teeth, brain capacity, legs and arms, habitat, speech, eyes, forehead, intelligence and more. Homo erectus Homo erectus commonly referred to as … Read more
Trackball A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes like an upside-down mouse with an exposed protruding. The user rolls the ball to position the on-screen pointer, using their thumb, finger or commonly the palm of the … Read more
The word ‘’ Crown” is derived from the Latin word “Corona” meaning Wreath. The crown is believed to have originated from Asia and Egypt before being adopted in Europe, where it has been used for a very long time (several thousand years) as a symbol of power and majesty. Kings and queens of England have … Read more
Neanderthal Neanderthals, or Homo neanderthalensis, were a species of hominins that lived in Eurasia from approximately 400,000 to 40,000 years ago. They are one of the closest extinct relatives of modern humans (Homo sapiens) and have fascinated scientists and the public alike for many years. The first fossil described as Neanderthal was first discovered in … Read more
Sit-ups also known as Curl-up is a bodyweight exercise consisting of lying down on the floor and curling your torso toward your thighs by using your rectus abdominis muscle. The main goal of this movement is to strengthen your entire core region, with a secondary benefit of improving lower back strength. A crunch is an … Read more
Qualitative researchis a scientific method of observation to gather non-numerical data. It is primarily explorative research. It is used to gain an understanding of underlying reasons, opinions and motivations. It provides insights into the problem or helps to develop ideas or hypotheses for potential quantitative research. It is also used to uncover trends in thought … Read more
In simple terms, magma is composed of molten rock and is stored in the Earth’s crust. Lava on the other hand, is magma that reaches the surface of our planet through a volcano vent. Here are more insights into how magma and Lava differ from one another. What Is Magma? Magma is extremely hot liquid … Read more