The mental process of actively and skillfully conceptualizing, applying and analyzing information to reach an answer or conclusion is called critical thinking. There are numerous careers in the world where you must be able to use critical thinking everyday. Some of the people who must do this are policemen, judges, lawyers, and surgeons. The correct answer is D.
I believe that the adverb phrase in this sentence is "during the fifteenth century". We know that adverb phrases are a group of words which are used to modify a verb, adverb or adjective. Here, I think that the adverb phrase is modifying the verb 'lived.
Taking notes about a speaker's topic before hearing the speech
The correct answer here is the last sentence: I like ice cream; it is delicious. A semicolon links two separate ideas, both with a subject and a predicate. Think of a semicolon as a means to connect two separate sentences with two separate subjects. Using this logic, only the last sentence correctly does this. Hope this helps!