What is the entrance to the vagina called?

When Ann went to her doctor, he gave her a hearing test. During the test, the doctor presented tones to Ann through earphones. The tones started at a low intensity and then became louder. The doctor asked Ann to raise her hand whenever she started to hear a sound. The doctor was testing Ann's

a. auditory convergence. b. absolute threshold. c. refractory threshold. d. difference threshold. e. Weber threshold.

Which pair of individuals is likely to have the MOST similar IQ scores?

a. Janna and Lauren, who are biological mother and daughter b. Jessie and Jenny, who are biological sisters c. Michael and David, who are fraternal twins d. Greg and Craig, who are identical twins