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The answer to the question of how many objects on the periodic table of the elements are naturally occurring is actually a bit complicated. Conventional wisdom says that the first 92 elements, from element one, hydrogen, to element 92, uranium, are all naturally occurring, but in fact some of these elements are highly unstable, and [...]
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Mexico has 31 states and one Federal District, Mexico City, where the seat of the Federal Government and approximately one fifth of the population can be found. Mexico is considered a Federal Republic, with each state from Baja in the North to Oaxaca in the South having a separate state government answerable to the national [...]
There are between nine and twenty-one human senses, depending on who you ask, and how they define a sense. It is generally agreed that nine is the minimum. These are touch, taste, smell, sight, hearing, thermoception, nociception, equilibrioception, and proprioception. Hunger and thirst are also sometimes included. Generally, for something to qualify as a sense [...]
At 29,028 feet (8,848 meters), Mount Everest is the tallest mountain of the world. Known as Sagarmatha, or Goddess of the sky, in Nepal, Mount Everest has a mystical appeal that attracts thousands of hopeful climbers every year. It’s impossible to say how many people have reached Everest’s summit at any given time, since the [...]
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Satellites are tracked by United States Space Surveillance Network (SSN), which has been tracking every object in orbit over 10 cm (3.937 inches) in diameter since it was founded in 1957. There are approximately 3,000 satellites operating in Earth orbit, according to the US National Aeronautics and Space Administration (NASA), out of roughly 8,000 man-made [...]
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Estimates range from about 50-70 million killed in World War 2. The Wikipedia article “World War II Casualties” favours the relatively high figure of 72 million. Of these, 61 million were on the Allied side and 11 million were on the Axis side. The article gives a figure of 23 million dead for the Soviet [...]
he ovulation period lasts 24 to 48 hours. That seems like a very narrow window to get pregnant, but it’s important to remember that sperm can live 3 to 5 days in the woman’s body. So while your chances of getting pregnant are much better if you have sexual intercourse in the day or two [...]
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For people paid every two weeks, there are 26 pay periods in a year. Two weeks makes 10 business days, for a total of 260 working days, not accounting for vacation time that you take. In the US people commonly say there are 260 weekdays/work days in a year or 2080 work hours in a [...]
When a hen reaches eighteen to twenty weeks of age, she begins to lay eggs. Generally, a hen will lay one egg a day. In a natural environment, the hen will continue to lay eggs in her nest until she has several there. She then sits on the eggs until they hatch. A hen’s reproductive [...]
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