Excretory system label, please help will BRAINLIST first correct answer (if you scam with link I will report!).

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.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

What type of bonds link individual amino acids together?