Read the sentence.

a symbolic flag is what everyone wants.

the underlined noun clause in the sentence functions as

a predicate nominative

a direct object

a subject

an indirect object

martians or other types of aliens represent a unique fear as opposed to zombies. vampires and other types of monsters.   in most sci-fi stories, aliens come from other worlds and have different or more advanced technology.   abductions and experimentation on human bodies that involve these technologies, or the use of these technologies against human beings and the use of unknown "powers", are a type of fear that's different from that of other types of monsters.  

can you elaborate on what the question asks?

a.read

that would be your awnser