Which substance make up a protein chain? a. calories b. amino acids c. trans fat d. fibers

Amino acids make up a protein chain

Amino acid is the correct answer. ¨POSITIVE¨

Depression is lifelong, though you can get medication to with it. the difference between sadness and depression is that sadness lasts a little bit, depression last a long time and it goes on and off. people usually get depression through experiences they have been through, or genetics.