When you notice the soft sound of rain on the roof, it has crossed a perceptual line called your threshold for detecting an auditory signal.
a. relative
b. defining
c. absolute
d. determinant

Which statement about the function of the female reproductive system is false? ? a. it is responsible for the production of the hormones estrogen and progesterone b. it is responsible for the production of sperm cells c. it nourishes a developing fetus until it can survive outside of a female’s body d. it is responsible for storing and then releasing the female productive cells called eggs plzzz quick