All of the iron molecules that are in your body were originaly created by

Which beat describes the brain stem

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

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.