Which sentence uses prepositional phrases to add variety and interest to its meaning? a) the dog chased the chipmunk. b) the dog got up quickly and chased the chipmunk. c) the chipmunk was chased by the spaniel after he got up from a nap. d) with a sudden grunt, the spaniel leaped up after the wily chipmunk.

Letter D

Explanation:

"With a sudden grunt" is a prepositional phrase.

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.