What are the answer choices?
Explanation:
A longitudinal wave is composed of compressions and rarefactions. An example of a lomgitudinal wave is sound waves. It's a type of wave thay moves parrelel to axis.
Answer:
A) Someone totally messed up my room; my sister looked very guilty.
Explanation:
Semicolons are kind of a period to a sentence, but it is used to link two sentences about the same topic into one sentence.