In what two ways does the author develop the central idea of the passage? The author presents the differences between light and sound waves.
The author gives examples of how sound travels through various substances and surfaces.
The author describes how different surfaces affect the speed of sound.
The author explains that it is easier to gather information about sound waves.
The author uses light waves to specify how inferior sound waves are at traveling through barriers.

In his adaptation of this excerpt, laurence olivier uses high cliffs as a a background and he holds onto a knife. what's effect do these choices have?

Read this passage from "the american dream." one of the first things we notice in this dream is an amazing universalism. it does not say some men, but it says all men. it does not say all white men, but it says all men, which includes black men. it does not say all gentiles, but it says all men, which includes jews. it does not say all protestants, but it says all men, which includes catholics. how does the use of rhythm contribute to the ideas in the passage? a .it supports key points by connecting them. b. it states rational ideas to support a claim. c. it convinces people that the ideas are true. d. it connects the ideas to people in a specific place.

Which theme do all rivers run to the sea and maus share?