HELP ASAP In which direction of the wave motion do longitudinal waves transfer energy

What is an animal that lives by preying on other animals

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

How can an organ, such as the lungs, work for multiple body systems?