What two elements are always found in amino acids? answer plzz first one to answer will get

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

What are the three types of counseling established by marine corps policy?