Which sentence has an elliptical adverb clause with an understood word or words?


Water turns into ice when the temperature is lowered to 32°F.
As we travel higher than does the sea level, the boiling point of water drops.
Methyl alcohol boils at a lower temperature than water.

http://www.english-grammar-revolution.com/adverb-clause.html

The sentence that has an elliptical adverb clause with an understood word or words is:

"As we travel higher than does the sea level, the boiling point of water drops."

The sentence that has an elliptical adverb clause with an understood word or words is: "As we travel higher than does the sea level, the boiling point of water drops."

To identify the elliptical adverb clause, we can break down the sentence and identify the missing words in the second part of the sentence. The full sentence would be: "As we travel higher than the sea level does, the boiling point of water drops." In this case, the word "does" is omitted in the second part of the sentence, creating an elliptical adverb clause.

The adverb clause in this sentence is "As we travel higher than does the sea level." It provides information on the relationship between traveling higher and the boiling point of water dropping. The understood word "does" is omitted in the second part of the sentence, making it elliptical.