Which best explains what multimedia presentations use a. an engaging video or audio file b. more than one form of communication c. a single speaker making an argument d. clearly printed graphics

B. more than one form of communication

Explanation:

Multimedia is a term that comes from the English language and refers to what uses more than one form of communication. A multimedia presentation, therefore, may include photographs, videos, sounds, and text.

This concept is applied to objects and systems that use multiple physical and  digital media to communicate their content. The term is also used in reference to the means per se that allow storing and diffusing content with these characteristics.

the answer would be c

a complex sentence consists of an independent clause and one or more dependent clauses.  

to write complex sentences, we must use subordinating conjunctions.  

all the complex sentences begin with a subordinating conjunction and when it occurs, a comma must be place at the end of the dependent clause. on the contrary, if the sentence begins with an independent clause, then no comma is used.

after  

although  

as  

because  

before  

if  

since  

when  

for example,  

after she won the competition, she became very popular.  

although my father was hurt, he continued fighting for his rights.  

as all of you got a ten, you will be able to leave early today.  

before he went to the war, he asked his parents to bless him.  

if it is cold, i won’t go out.  

since you didn’t bring the homework, you will get low grades.  

when it is hot in the town, everyone goes to the beach.