Respuesta :
It's C. "Tiny, weightless crystals", doesn't have proper sentence structure at all, and sounds like there should've been more words with it.
Answer: the correct answer is c. Tiny, weightless crystals
Explanation: Sentence fragments are sets of words that look like sentences, but aren't. To be a sentence, groups of words need to have at least one independent clause. An independent clause is any sort of words that have both a subject and a verb and can stand on its own.