How many amino acid are used to build protein?

Which process of living things produces water that enters the water cycle

Which term describes a normal value for something in the body? a.homeostasis b.set point c.feedback loop d.integration center

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.