Find the error with subject-verb agreement. Select the incorrect verb and type it correctly. The Doppler effect results from the fact that as a moving object approaches
an observer, the apparent frequency of its sound waves increase.

How does the author use the character of torvald helmer to explore a social use? -by revealing the changes that can happen to a person who has gotten wealthy quickly - by revealing attitudes related to spending and saving that men held during the victorian era -by revealing the bad financial advice that was given to many people in the victorian era -by revealing the hardships that fell on many people who lived during the victorian era