The text focuses on showing how the advances made in the 20th century were essential to the development of the notion of...

Replacing ‘sheer’ (second sentence of the first paragraph) with massive would preserve the original meaning and maintain the grammatical correctness o...

In the second paragraph, the expressions “Neither approach”, “their” and “them” are related to the models mentioned beforehand, which aim to explain t...

Scientists are certain about the proportion of land degradation in the world, besides recognizing that it is an issue happening in various parts of th...

The comma after “memoirist”, in the second sentence of the text, is incorrect because of the use of “and” after it.

The fragment “Fernández started his career as a cowboy after completing a stuntman course a decade ago” can be correctly rewritten as A decade ago, Fe...

There are other states, like Florida, that produce energy on a level similar to that of Texas.

GCHQ experts decided to stop producing academic papers about code-breaking techniques only in the two last decades of the last century.

In text 9A3BBB, “has had” (R.3) is used to emphasize an event that happened

The site was named ‘Thing’ for lack of a better way to describe it.

Internal auditors check over the effectiveness of their organization’s internal control.