Water molecules are not only attracted to each other, but to any molecule with positive or negative charges. When a molecule attracts to a different substance, this is termed adhesion. Think about what happens when you dip one end of a piece of paper towel into a glass of water. The water will climb up the fibers of the paper, getting it wet above the level of the water in the glass.
24 The average age to flee the family nest (although Londoners have to wait an additional year). 27 The average age for women to have their first child. 28 By now, the average sensible Brit has started saving for a pension, according to a survey by Axa insurance. That's earlier than any other nation.
Today in the U.S., about 16 percent of girls enter puberty by the age of 7, and about 30 percent by the age of 8. In Europe, in 1830, the average age at menarche was 17. Similarly in the 1980s in rural China, the average age at menarche was 17.3 In the U.S. in 1900, the average was 14.2.