The letters for the word SCHOOL are placed in a hat. What is the probability of drawing the letter O out of the hat?

Explain how the density of ocean water is affected by temperature and how this results in major ocean currents distributing heat away from the equator toward the poles?

In the developed world, women are increasingly more likely to delay childbirth until their mid- to late- twenties or long because

What happens to rock when acid reacts with it?