Can you help me with this if you luv your moms

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.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

What is responsible for the uneven heating between the poles and the equator on any given day