Water molecules have a strong attraction for one another. what property best describes this attraction?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%