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

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

According to the text, Penn State researchers were the first to use the genetic algorithm to investigate flying patterns.

Choose the correct option according to text 3A4.

The use of “nonetheless”, in the first sentence of the second paragraph, expresses a somewhat contradictory idea in the sentence.

In the second sentence of the last paragraph, if the phrase “Connectivity is key” were rewritten as “The key to connectivity is”, there would be no di...

According to the text, regulations related to space debris can be considered lax at best.

Some of the street artists were fierce critics of Mubarak, and then they decided to demonstrate their anger through their art.

The couple was sad because the baby was asleep and therefore could not enjoy the beautiful sunset.

The term “hope” (R.10) is synonymous with expect.

In the text, the word “may” (R.15) could be correctly substituted by must.