Natural sciences are the set of scientific disciplines that are in charge of studying nature and natural phenomena. Its purpose is to explain and discover the laws that govern the natural world, and to predict its behavior. The social sciences…
The summary is a short version of a text where the same words can be used to concretely present the most important points of the topic. The synthesis is the short presentation of a longer text that has been analyzed…
A legal act is a manifestation of will to create, modify, transfer or extinguish a right, with a favorable result for whoever promotes the action. A legal act is any act that has a legal consequence. Such consequences may encourage…
There are two major classifications of paper sizes: European format: ISO 216 series A, B and C. American format: letter, legal and tabloid size. The European format is the most widely used almost everywhere in the world, and while the…
A concept is a general idea that we have about something, formed by noticing the characteristics that various objects or situations have in common. It is an intellectual construct that allows us to organize and categorize reality. A definition is…
A homozygous individual is one who possesses two equal alleles of a gene for a given characteristic. A heterozygous individualon the other hand, possesses two different alleles for the same gene. When we speak of homozygous or heterozygous, we are…
The types of social classes are low, middle and high. This general classification is influenced by factors such as the level of income, the type of economic activity from which that income comes, the level of educational background, access to…
Altitude and latitude are two magnitudes that allow to measure geographical distances. Altitude, as applied to geography, refers to the vertical distance of any terrestrial point with respect to sea level. Latitude, on the other hand, is a measure of…
The mission is the reason why something is done, while the vision refers to what you want to achieve in the future with what you are doing. The main difference between one and the other is that the mission is…
Mesoamerica, Aridoamerica, and Oasisamerica were three cultural superareas that occupied what is now Central America, Mexico, and the southwestern United States between 2500 B.C. and 1500 A.D. Recall that a cultural superarea is a region in which several communities or…