Answer:
C. The length of the presentation and D. The authority of the quoted experts
Explanation:
The answer for your question is actually D because when talking about context its best you have quoted experts but in general I would say both.
For your question though so you don't get confused on which answers it is its
The cause os electricians being unionized and the effect is having a hard time finding a job.
The cause of something is an event happens which has a consequence.
in this case, BECAUSE electricians were unionized. As a consequence, it was hard to find a job.
Hope I helped :)
The best reason to revise this sentence using the passive voice is that A. the name of the singer is unknown.
<h3>What is Revision?</h3>
This refers to the edition of a text or sentence in order to make it better by the addition or removal of some text.
Hence, we can see that from the given sentence about the singer of the solo during the holiday concert, the readers do not know the singer's name and as such, the use of passive voice is needed for better understanding.
Read more about passive voice here:
brainly.com/question/25897080
