The authors agree that human action is at the root cause of changes in vegetation in drylands.

The text presents a field of study, called strategic games, that uses concepts derived from business and politics to analyze social interactions.

The correct translation of the excerpt “Furthermore, using phones in the bathroom makes them a breeding ground for bacteria” to Portuguese is Além dis...

The word “itself” (last sentence of the first paragraph) refers back to “plastic”, meaning that plastic could pay for its cost.

Considering text 11A2-I, choose the option that presents a major negative feature of the “monolingual mindset” (first sentence of the second paragraph...

The main idea expressed in text 3A1-II is that reading is an important activity for those who

All the libraries in the United States combined would encompass as much as fifteen petabytes of new data a day.

For the author, parking in New York is an occasion of great suspense because it is always a terrible experience.

In “and provide more information to the Justice Department about possible instances of collusion or price gouging” (R.13-15), the expression “price go...

Texts can be classified in terms of their communicative intentions.

“although” (l.9) is synonymous with even though.