The statement true about the sentence 'over time, this acidic groundwater eventually eats away at the rock, leaving an underground chamber, or cave' is the sentence has two adverb phrases.
In the field of English grammar, adverb phrases can be described as a group of words that have a similar meaning to that of an adverb.
In the sentence above 'eats away' is the verb that is further being elaborated with two adverb phrases.
Although adverb phrases give the same meaning of an adverb, the difference is that they are a group of words rather than a single word.
Although a part of your question is missing, you might be referring to this question:
read the sentence. over time, this acidic groundwater eventually eats away at the rock, leaving an underground chamber, or cave. which of these statements about the sentence is true?
one adverb
two adjective phrases
one adjective and one adverb phrase
two adverb phrases
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