Natural numbers – Natural sciences – Mathematic
We explain what natural numbers are and some of their characteristics. The greatest common divisor and the least common multiple....
Angle – Natural sciences – Mathematic
We explain what an angle is, its types, and its characteristics. Also, add, subtract, multiply, and divide with tips and...
Leader – Culture and society – Companies and businesses
We explain what a leader is, the types of leaders according to Max Weber, and the general characteristics of a...
Hydrosphere – Natural sciences – Geology
We explain the hydrosphere and how it is distributed on planet Earth. Also, some features of this system. What is...
Erosion – Natural sciences – Geology
We explain what erosion is, what this physical process consists of, and how wind erosion and water erosion occur. What...