<span>Seafloor spreading is caused by diverging plates. </span>
The large landmasses on Earth are called continents. There are seven recognized continents on the planet: Africa, Antarctica, Asia, Australia/Oceania, Europe, North America, and South America. The largest continent is Asia.
Many people still think that United States is still a leader of the free world.
<u>Explanation:</u>
Even after the end of the colonization in the world and with the end of the cold war between the United States of America and the USSR, some people still think that the United States is still the leader of the countries in the free world.
The way with which the United States rule is with the trade policies of the country towards the other countries or the strong financial position of the country.
Researchers found a total of 138 volcanoes in the West Antarctic Ice Sheet overlying the West Antarctic Rift System, 91 of which had never before been identified. Basically they have never seen those types of volcanoes before.