Metals and non-metals
Chemical elements are classified as metals and non-metals. Metals are substances that conduct electricity, can form sheets or wires and have a shine. Non-metals are all those substances that do not conduct electricity, are fragile when handled or are gases….
Difference between Homologous and analogous organs
Homologous and analogous organs Homologous organs are those that have a similar structure but function differently, analogous organs are those that perform similar functions despite having a different evolutionary origin. Through comparative anatomy, homologous and analogous organs can be found and differentiated in different…
Difference between Animal and plant cell
Cells are the basic units of life, and they come in two primary types: Animal and plant cell. While they share many similarities as eukaryotic cells, there are significant differences that reflect their unique functions. Here, we explore the key…
What are the generations per year?
Generations are groups of people who were born during the same period, lived through the same historical events and received similar cultural influences. The Baby Boomer Generation , Generation X and Generation Y or Millennials are some of the best known. For each generation, a start and end…
Rights and obligations
Rights are the freedoms and guarantees of citizens. These rights must generally be guaranteed by the State. Obligations are the commitments or responsibilities that citizens assume in the exercise of their rights. This means that there are no rights without responsibilities, and vice versa. Rights and obligations form…
Advantages and disadvantages of the internet
The Internet is a global communications network that allows interconnection between computers for the exchange of information. Easy access to information, to content on different topics and in various formats, seems to be a great opportunity, but it can be…
Natural sciences and social sciences
Natural sciences are the set of scientific disciplines that are responsible for studying nature and natural phenomena . Their purpose is to explain and discover the laws that govern the natural world, and predict its behavior. Social sciences are the set of scientific disciplines…
what are heterogeneous and homogeneous mixtures
A mixture is characterized because there are two or more substances or elements that are united, but not chemically combined, and because it is possible to separate them. A homogeneous mixture is one in which its components are mixed in such a…
what is science and technology
Science is the set of disciplines that allow us to obtain rational knowledge of natural phenomena in a systematic, objective, verifiable and improvable way. Technology is any process, method or instrument that serves as a means to solve a problem. The difference between science…
15 characteristics of globalization
characteristics of globalization is the integration of economies and societies around the world. This process is characterized primarily by the formation of an international network that links countries, companies and people. Globalization is not a recent phenomenon. The first wave of…