A speaker fixed to a moving platform moves toward a wall, emitting a steady sound with a frequency of 250 hz. A person on the platform right next to the speaker detects the sound waves reflected off the wall and those emitted by the speaker.

Afour-year college’s application process takes into account all of the following except

Which of the following best describes the difference between “autobiography” and “memoir”? a. autobiography is written about the author's own interpretation of events; memoir is a written interpretation of events. b. memoir covers a particular time in the writer’s life or recounts life events around one or two themes; autobiography covers the entire story of the author's life and has multiple themes. c. autobiography covers the entire story of the writer's life and has multiple themes; memoir is a shorter written work with one theme. d. autobiography covers entire story of the writer's life and has multiple themes; memoir is the writer’s random memories about past experiences.

In her article "why should i vote? " stephanie goggin crafts a well-organized and coherent argument. she states that every person of voting age who is registered should vote. she also argues that if you are not registered to vote, you should be. in conclusion, goggin's argument is laid out in a thoughtful and thorough way that is convincing to readers. which element is missing from this evaluation?