Depends on what you're talking about. In fetus development?
The correct answer is C) Microphone. Hope this helps.
In "The American Dream", the speaker uses a rhetorical argument to persuade listeners that Americans must join together as equals. The American Dream is a national ethos of the United States, a group of ideals in which freedom includes the opportunity for prosperity and success. The American Dream appeared in the Declaration of Independence, declaring that "all men are created equal" with the right to "life, liberty and the pursuit of happiness".
