Most divergenr boundaries occur along the mid ocean ridges where sea floor spreading occurs. divergent boundaries also occur on land. When a divergent boundary develops on land, two of earth's plates slide apart. A deep valley called a rift valley form along the divergent boundary.
14-12 < x < 14+12
2 < x < 26
Greatest possible = 25
{3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,24}
14 is already the longest, then we can choose 13
325.7 million (2017)
326,766,748 (2018)
