To know the history of the Earth it is necessary that we order the events that we know. Events or materials can be dated in two ways: Relative dating: It consists of ordering rocks, fossils, or events from the oldest to the most modern, without specifying their age. Absolute dating: It consists of putting a … Read more
By glands we mean an organized and hyper-specialized set of cells. Its function in the body is the secretion of certain chemical substances such as hormones, lipids, or mucus. According to the way they have to lead these secreted substances to their ideal destination, they are classified as endocrine or closed. That discharges it into … Read more
When the terminals of an electric battery are connected is when sparks and heat arise. These phenomena show that battery energy is being transformed into light, sound, and heat energy. The battery itself is converting chemical energy into electrical energy. This, in turn, is transformed into other forms of energy (such as heat) in the … Read more
Population and community are two terms in common use in various fields. Among them for example, they are widely used when talking about demography. That is science-oriented to the statistical study of the human population worldwide and they are also frequently used terms in biology. Human beings as naturally social beings are grouped according to … Read more
When we spoke of the system of periods, we said that its regularity, symmetry, and predictive capacity are indications. That the model that explains the structure of the atoms of the different elements also has these characteristics. And in doing so, we took it for granted that atoms and crystals have structure, something that may … Read more
The work accident is a “noun”.The literal meaning of the accident is an unfortunate incident that takes place unintentionally or unexpectedly. The accident often results in injury or damage. An accident is a sudden occurrence of events that take place by chance. There are no exact, apparent, or deliberate causes of accidents. The crash is … Read more
Introduction Van Hellsing is a 2004 American horror period action film, whose director and writer is Stephen Sommers. The main characters of the movie were Hugh Jackman as Van Helsing and Kate Beckinsale as Anna Valerious. This film was a tribute to the 1930s and 1940s Universal Horror Monster movies. These movies had great similarity … Read more