The of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time.
a. intensity
b. compression
c. frequency
d. amplitude

In this activity, you will use your knowledge to create a project that illustrates your understanding of the seven defense mechanisms. you choose the type of project: write a short story, poem, play or create a podcast or video using all seven of the defense mechanisms discussed. you may either have seven different characters, each with a particular defense mechanism, or have one or two characters displaying a variety of defense mechanisms. the key is to demonstrate your understanding of the characteristics of each defense mechanism.

This chart shows the number of soldiers killed according to two different sources. source a is a book written by university professors. source b is from a well-known historical website. in a paragraph, explain why the data presented is different, and evaluate the reliability of each source. which should be used in a school research project, and why?

List 3 ways people were targeted by the nazis.