When were criminals first used to help create a system to help catch other criminals? the right answer is: during the 1800s

i just took the test on edg! :)

Identify the missing parts of the carbon cycle

Aboy with an extra x chromosome probably has which of the following syndromes?

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.