Identify the following group of words as an incomplete or complete sentence. if the sentence is incomplete, identify the reason dinosaurs have disappeared
a. complete sentence
b. incomplete sentence: no subject
c. incomplete sentence: no verb
d. incomplete sentence: subordinate clause

a. complete sentence.

This is a complete sentence. A complete sentence needs a subject and a verb. In this case, "dinosaurs" is the subject of the sentence, while "have disappeared" is the verb. It also conveys a full idea that can be understood without additional information. Therefore, despite the fact that it is very short, this is an example of a complete sentence.

to protect the united states' role as a world leader, president truman wanted to prevent the soviet union from spreading communism beyond its post-world war ii boundaries. he declared that the united states must assist any nations struggling to prevent a communist takeover.

the cost of college has risen faster than inflation for many years.

the high price of student services and administration are two reasons for the rapid increase in cost.