How did the Vatican become a country? Benito Mussolini gave it to the Roman Catholic church in 1929. The Vatican is the world’s smallest country. It has a population of 453 people and is 0.44 square kilometers. That makes it about 2,500 times smaller than the city of Rome, which surrounds it. The Vatican is […]
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Was Ferdinand Magellan really the first person to circumnavigate the world? No, because he died about two-thirds into the journey. Ferdinand Magellan’s name was actually Magellan. He was born Fernão de Magalhães in Portugal, I n1480. He was born into nobility and he was a page of Queen Eleanor, the consort of King John II,
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Why is Greenland part of Denmark? Greenland was a colony of Denmark, but it didn’t officially become a part of Denmark until 1953. It is technically defined as a district of Denmark. The reason why Greenland is a part of Denmark goes back to before Denmark was actually a country. People have lived in Greenland
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Why are clouds at different heights? It depends on the temperature and the pressure of the air. Clouds start when water vapor evaporates off the surface of the Earth into the air. The sun heats the ground, or the surface of the sea, supplying it with thermal energy. If there is enough thermal energy, the
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How can the inner core of the Earth switch rotation? Because it is separated from the solid mantle and can rotate at a different speed. The Earth has four layers. There is the outer crust that we and everything alive lives on. The crust is about 40 km deep and is only 1% of Earth’s
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Can you see past the horizon? Depending on the weather, and the amount of refraction, yes, you can see past the horizon., The horizon is the point where Earth curves away too much for you to be able to see it anymore. Every body in the universe has a horizon, but it depends on the
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What is the range of a cell phone tower? The average maximum range of a phone mast is about 40 km, 25 miles. How does a cell phone tower work? Cell towers have detectors and transmitters to receive and transmit radio signals. When you want to look at a website on your phone, my site
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Why is Washington DC the capital of the United States? It was a compromise between the northern and the southern states. Washington DC was first used as the capital of America in November of 1800. It replaced the city of Philadelphia, which had been serving as the home of the Continental Congress and the capital
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What causes a tsunami? A very large and very sudden displacement of the ocean. A tsunami is a series of waves that are caused by a huge amount of water in the ocean suddenly being moved. It is different to a regular wave because the wave goes deep into the ocean. The word tsunami is
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How do glaciers move? Glaciers move because they are pulled downhill by gravity. A glacier is a river of ice that is flowing downhill. A river is a body of water that flows from a high elevation to a low elevation, usually ending in the sea or a lake, under the force of gravity. A
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