Examples of Primary, Secondary and Tertiary Barriers
Every organism has a set of biological barriers that protect them from pathogens, that is, substances or other organisms that … Read more
Every organism has a set of biological barriers that protect them from pathogens, that is, substances or other organisms that … Read more
The Clean technologies They are those that when applied do not produce any secondary effect or any transformation to the … Read more
A speech It is a genre of rhetoric characterized by the personal, subjective, unique and argued approach to a specific … Read more
Among the many classifications that can be made about bodies, one of the most common is the one that differentiates … Read more
A chromosome It is a structure made up of DNA and proteins. The chromosome contains the genetic information of the … Read more
The legal actsBy definition of the law, they are lawful volunteers whose immediate purpose is to establish some legal relationship … Read more
The desert It is a type of biome that is characterized by extreme and variable temperatures, low rainfall and dry … Read more
The oxysale, oxosalts or ternary salts are compounds resulting from the union of a cation of a metallic element (sometimes non-metallic), … Read more
Knowledge is understanding a set of details about a specific field of study. There are different types of knowledge that … Read more
Bipeds. They are those animals that walk on the two lower extremities. They are mainly birds and primates. For example: … Read more