Which statements about Earth's crust are true? Check all that apply. The crust includes soil, rock, and water.
There are three different kinds of crust.
The crust is thickest under the ocean.
The ocean crust is made of young rocks.
The ocean crust is denser than continental crust.

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.