What is filtration?

What is filtration?

filtration is a method of separating substances present in a heterogeneous mixture (has two or mo...

read more

Domain, co-domain and image

One occupation is a rule that relates each element of a set A to a single element of the set B. I...

read more

Waters as shapers of relief

The relief anywhere on the planet is formed through internal (endogenous) and external (exogenous...

read more
What is a double salt?

What is a double salt?

double salt is the name given to one of the classifications that the inorganic salts can receive....

read more

Night hunger syndrome

Night hunger syndrome is an eating disorder characterized by the ingestion of 50% of the daily co...

read more

What is artificial transmutation?

artificial transmutation is a synthetic nuclear chemical phenomenon (performed in the laboratory)...

read more
Mercator projection. Mercator Projection Features

Mercator projection. Mercator Projection Features

THE Mercator projection is a cylindrical cartographic projection made by geographer, cartographer...

read more

Read During Vacations

The vacation period has arrived and what to do? How about traveling, taking a trip unlike any oth...

read more

Between you and me or between you and me?

Misunderstandings arise in the use of personal pronouns, especially those in the oblique case. Ho...

read more
Distance between two points in space

Distance between two points in space

THE distance between two points is one of the most important concepts of Analytical Geometry. It ...

read more
The Emergence of the High School Equation

The Emergence of the High School Equation

The 2nd degree equations are solved through a mathematical expression attributed to the Indian ma...

read more

Water and energy rationing in Brazil in 2014: real risk?

The year 2014 began in a worrying way with regard to infrastructure in Brazil: the blackout risk ...

read more