Domain-specific and precise language make writing more authoritative. if you use words that are less vague it makes it seem like you can get the sentences to make more sense with less detail.

Explanation:

This characteristics of writing are mainly used in academic papers. In this context you need to use a precise language, a technical language, because that will allow you to be understood by the reader, using less words with objectivity, right to the point.

So, at the end, this technical language is with that purpose, that's why in academic context is used a ''difficult'' language, but is not really difficult, it's just using words that are not popular to explain specifically some theme.

the correct answer is the first one.

1. negative, complain without fixing anything.

2. she disagrees with them.