Is this a sentence fragment?
The Zion Narrows, a canyon in Utah's Zion National Park, stretching for sixteen miles and,
in some areas, narrowing to just twenty feet.
yes
no
Is this a sentence fragment?

Read the sentence from the war of the worlds. i turned, and as i did so the screw must have come out, for the lid of the cylinder fell upon the gravel with a ringing concussion. which option is the accurate synonym of the word concussion as it is used in the sentence? explosion disruption crash interruption