A. Radio announcers should be careful not to insert their opinions into the newscasts.
Answer: A.) At this point in his life he was familiar with the basic science of electricity.
Explanation: This answer makes the most sense out of all of them and the sentence gives reason enough to believe said character has some knowledge on the laws of electricity. Taking this based off the words "I was not unacquainted with the more obvious laws of electricity." Meaning said character had some prior knowledge, so we can assume he is familiar with the basic science of electricity.
Answer:
B. Optional
Explanation:
A comma can be defined as a punctuation mark that is typically used for indicating a break in elements of a series or list in a sentence. Also, it's used to indicate the shortest pause in a sentence.
In the English language, conjunction can be defined as an English word that is typically used for connecting two or more clauses, words, phrases, or sentences. Some examples of conjunction are but, and, although, because, or, yet, etc.
When there are three or more items (elements) in a series, the final comma before the conjunction (and, or, nor) is optional.
The German regime’s decision...
German casualties...
The troops...
As a result...
Historians may disagree...
