Choose an activity that you, your family, or a friend engages in and which results in pollution. discuss some of the ethical, economic/financial, and cultural/social issues that affect the decision to engage in this activity. what are the consequences of the pollution resulting from this activity? would it be a simple matter to stop engaging in this activity, or are there considerations that would make it difficult to do so? explain your reasoning.

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.

18. which statement about cancer is true?

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.