Which type of waves does the human ear convert to electric signals during the process of hearing?

a.) ultrasonic waves

b.) electromagnetic waves

c.) longitudinal waves

d.) transverse waves

Explain why phospholipid molecules form a bilayer. (3 marks)

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.

In general, are there any major differences that you can see? explain