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  1. Learn about the seven continents of the world, their areas, populations, and countries. See the list of continents by size and population, from largest to smallest, and the map of the world.

  2. Learn about the seven-continent model, the most widely taught way of grouping countries into continents, and its ranking by population, area and density. Find out which countries are in each continent and how to place Russia and Hawaii in the list.

  3. Learn about the seven continents of the world, their names, sizes, populations, and features. Find out how the continents are delineated by different criteria and why some countries are not considered continents.

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  5. Learn about the seven continents of the world, their names, sizes, locations, and features. Find out how many continents are there, how they evolved, and how to distinguish them from islands and countries.

    • Building the Continents. Earth formed 4.6 billion years ago from a great, swirling cloud of dustand gas. The continuous smashing of space debrisand the pull of gravitymade Earth's coreheat up.
    • Wandering Continents. If you could visit Earth as it was millions of years ago, it would look very different. The continents have not always been where they are today.
    • Continental Features. The surface of the continents has changed many times because of mountain building, weathering, erosion, and build-up of sediment. Continuous, slow movement of tectonic plates also changes surface features.
    • North America. North America, the third-largest continent, extends from the tiny Aleutian Islands in the northwest to the Isthmusof Panama in the south.
  6. Learn about the seven continents of the world, their sizes, shapes, coastlines, and distributions. Find out how continents are formed and moved by geological and seismological evidence.

  7. en.wikipedia.org › wiki › ContinentContinent - Wikipedia

    North America and South America are treated as separate continents in the seven-continent model. However, they may also be viewed as a single continent known as America. This viewpoint was common in the United States until World War II, and remains prevalent in some Asian six-continent models.

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