Which macromolecule forms a double layer as the primary structure of cell membranes? a. fats b. oils c. phospholipids d. steroids

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.