you are a astrobiologist who studies other planets for signs of lif you have discovered a unique subtance wich is made up of four metals organized in a specific and relatable pattern when exsposed to electromagnetic radiation this subtance becomes bigger and can produce multiple copies of itself if it is poked with a stickk it moves away from the stick if the subtance is keptin a dish for a while rust accumulates in the dish is it living or nonliving

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.

The cluster of developing cells from conception until birth is called an

Eutrophication caused by human nutrient pollution.