The largest and most populated continent is Asia, with an area of 44,579,000 sq km. The idea of its size can be had from the fact that the total land expanse of the world can't contain even four continents of this size.
1. The estimated literacy rate for the world is 82% . Overall, the male literacy rate (87%) happens to be higher than the female literacy rate (77%) . 2. On average, there are 47 people for every sq km of the world. Macau, an administrative region in China, has the highest population density - 18,534 per sq km ; on the other hand, places like Mongolia have less than 2 people every sq km! 3. By area, the largest country is Russia - 17,075,400 sq km . The smallest one is Vatican City , a mere 0.44 sq km . Believe it or not, Russia can hold close to 39 million countries the size of Vatican City! 4. Caspian Sea is regarded the largest lake in the world. Because of its large spread (371,000 sq km) and saline water, the ancient people considered it an ocean!
Have you ever heard that people often claim that there aren't enough hours in the day? Is this really happen! Yes they're absolutely right. The actual time taken by the planet to rotate on its axis is approximately 23 hours 56 minutes and 4 seconds and this is known as sidereal day . The reason behind it that the solar day, the time it takes for the sun to return to the same spot on the meridian, varies as much as 16 minutes throughout the year, due to the position in its orbit.
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