The doppler effect is the change in observed frequency due to

a. the original frequency of the source.

b. the type of medium the wave is in.

c. the motion of the source or observer.

d. the type of wave.

e. all of the above

Repeating the items on a grocery list such as "cheese, bread, soda, canned soup, salad dressing, and paper napkins" over and over again in your mind is an example of what process?

Historians base interpretations of past events on? evidence they collect. interviews with citizens. opinions they have heard. historical novels.

Which phrase describes a study in which all sample members are surveyed only once? A) Panel study B) Cross-sectional study C) Interview

What's the difference between western and asian culture's aspects of intelligence? western cultures emphasize cognitive skills while asian cultures stress on humility.

During the progressive era, the women's club movement had A. a national organization to coordinate club activities. B. consistently avoided controversial social reforms. C. became increasingly concerned with cultural activities. D.

This landform was created by formation of sediment of the Yellow/Huang He River.

Which of the following is a correct statement? A. Economic concepts or laws that are valid during depression are necessarily valid during prosperity. B.

Amalie feels sad and depressed a lot. She doesn't know why, but she is just blue. Which Big Five trait describes this? neuroticism openness to experience consignment extraversion

How has the use of computers changed mapmaking

A state's lieutenant governor serves as second-in-command in the judicial branch. serves as second-in-command in the executive branch. oversees state agencies and elections. oversees the work of the attorney general.