Probably because they have most people in and is a pretty common to live in China or India.
By any standard the United Kingdom is among the most urbanized of countries, for towns not only typify the national way of life but are unusually significant elements in the geography of the country.
<u>The main difference between plate tectonics and continental drift is that plate tectonics describes the features and movement of Earth's surface in the present and in the past whereas continental drift describes the drifting of Earth's continents on the ocean bed.</u>