Study this site carefully.
http://www.chompchomp.com/terms/preposition.htm
What do you think is the prepositional phrase?
Find the prepositional phrase and is it used as an adjective or adverb?
Coral near the water's surface is beautiful but very fragile.
5 answers
Is it near the water's
near the water's surface
near is the preposition
surface is the object of the preposition
near is the preposition
surface is the object of the preposition
is it used as an adverb
No, it's used as an adjective, modifying "Coral"