Select the proper description of the following group of words. a scientist has developed a cactus without thorns. fragment: contains no subject fragment: contains no predicate complete sentence

the group of words above is a complete sentence.

explanation:

the sentence above is a complete sentence because it has a subject and a predicate.   the subject of the sentence is the np "a scientist" and the predicate is "has developed a cactus without thorns".

the sentence above is also a simple sentence because it has just one independent clause. a simple sentence has no dependent clauses. what is more, simple sentences are also called clausal sentences and they may have a modifier besides a subject, a verb, and an object.