Only one president, <u><em>Woodrow Wilson</em></u>, had a doctorate, and was president of Princeton University before becoming the U.S. President.
Quaternary period<span>, Cenozoic </span>era<span>, and Phanerozoic </span>eon<span>.</span>
These are the zones of interaction between adjacent plates where they collide, pull apart or slide past each other. such as the mid-Atlantic ridge and <span>Oldoinyo Lengai, East African Rift Zone</span>
14. 34° North latitude
15. The prime meridian