Copyright law protects __________ property

Audrey has conducted some exploratory reading regarding why so many combat

troops battle depression after returning home. She believes she could suggest the following in her speech: "Many of our returning veterans have suffered physical and/or psychological injury—both of which must be treated thoroughly and professionally to help them heal and cope." By attempting to articulate the overall idea she will be examining, Audrey has formulated a _______ to help guide her investigation. A) general purpose B) working thesis C) mind map D) cognitive map

When reflections become smaller and smaller and the time between them decreases until they are indistinguishable describes:

a. direct sound b. early reflections c. echo d. reverberation