What property of a wave changes to create the Doppler effect?

speed

amplitude

medium

frequency

This terms refers to a community that is politically organized?

How were the hard times reflected in intellectual art and literature?

Which one one was the highest Egyptian society

1. Why did Gerald Ford face a difficult election in 1976? A. Ford refused to pardon Nixon. B. Ford faced a severe recession in the nation. C. Ford couldn't raise enough money to run a serious campaign. D.

Thomas Jefferson would have supported what

What does the author mean when he says the Congo Free State had a "command economy"? a. According to Leopold II, the Congolese people were idle and needed to be commanded. b.

Which of the following was not a reason why natural disasters unpredictably destroyed cities? A. Cities were located near danger zones for earthquakes, floods, droughts, or volcanic eruptions. B.

Which composer responded to the reforms of the council of trent in an exemplary fashion?

What was the cost of bread during the great depression?

Three ways the Cultural Revolution hurt China and Chinese people