Which of the following conditions is most likely to cause constipation?
bacterial infection
dehydration
ulcer
excessive cellulose consumption

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

The hypothesis that evolution occurs at an irregular rate through geologic time is known as: directional evolution directional equilibrium punctuated equilibrium punctuated evolution

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false