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How Many Countries Are There In South America?

How Many Countries Are There In South America? There are 21 countries in South America.South America has an area of 17,840,000 km2 or almost 11.98% of Earth's total land area. By land area, South America is the world's fourth largest continent after Asia, Africa, and North America. South America is almost twice as big as Europe by land area and....

How the Airplane Was First Invented

How the Airplane Was First Invented The dream of flying has been with mankind for as long as we can remember, but the concept of an airplane has only been around for about two centuries. Before this breakthrough, humans tried to fly by imitating birds by building arm wings and machines with flapping wings. This concept worked, and it....

History of tea and benefit of health

History of tea and benefit of health Tea has a fascinating history that has been interwoven through innumerous societies in different ways over numerous centuries. The following is only a taste of how Nature’s finest pop has touched, told , and inspired humanity over time. The medicinal operation of tea goes back ahead recorded histo...