Brazilian Prison System.

   Currently thousands of prisoners serving time in a subhuman in overcrowded cells, crowded upon each other.

Gold Cycle.

    In the late seventeenth century, exports of Brazilian sugar (produced in the mills of the Northeast) started to decline.

Colonial Brazil.

        The term "discovery" of Brazil is full of Eurocentrism (appreciation of European culture at the expense of others), it disregards the existence of the Indians in our country before the arrival of the Portuguese. 

Thermal Conductivity, Thermal Convection and Thermal Radiation

Immune System

   Our environment is full of infectious agents such as viruses, bacteria, fungi, protozoa, etc.. the immune system works by fightingthese invaders. The body has several kinds of barriers against the invaders. The type of immune response of the organism will depend on the pathogen and the site of infection.
external barriers

Simple Past, Simple Present, Present Continuous and Past Continuous.

Simple Present
  The simple present can be used to express:  



1 - a habitual action, that is, at what we always do:
 I always leave home at 7:00. (I always leave home at 7am).
 Generally They have lunch at the shopping mall. (They usually have lunch at the mall).
 I never work on Sundays. (I never work on Sundays).

Romanticism.

  Trend that manifests itself in art and literature of the late eighteenth century until the late nineteenth century. Born in Germany, Englandand Italy, but is gaining strength in France and from there spreadthroughout Europe and the Americas.