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What are five of the key traits of a civilization?

Other characteristics of a civilization include a separation from the natural environment, the development of distinct societal classes and a trend towards increasing urban development. In the historical sense, a civilization differs from tribal or feudal societal groups by its possession of a planned and centralized power structure.Those scholars who subscribe to systems theory view a civilization as a societal group structured in the form of a complex system. In this respect, a key trait of a civilization is its ability to serve as an organized framework by which specific results are achieve..

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Who invented shampoo?

In the 1860s, shampooing became more about cleansing the head rather than massaging it. English hair dressers used shaved soap with added herbs to wash their clients' hair and give it fragrance and shine. A man named Kasey Herbert invented the first commercial shampoo, which began appearing in commercial ads at the turn of the 20th century.

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How fast can you name all of the U.S. presidents?

There have been 44 different presidencies, but only 43 different presidents have served because Grover Cleveland was elected to two non-consecutive terms. The National Center for Voice and Speech estimates that an average English speaker is capable of speaking 150 words in a minute. If half of the presidents have two names and half of them have three, someone naming the presidents would have to say around 110 words.

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What was Hoover's philosophy of government?

When President Calvin Coolidge decided not to run for re-election in 1928, Hoover picked up the Republican nomination. His political philosophy fit well with the nation's peace and prosperity, and he won by an overwhelming landslide. After he had been in office only seven months, in October of 1929, the stock market crashed, plunging the United States into the Great Depression. Hoover initiated tax cuts, urged business leaders not to lay off workers, and encouraged local and state governments to team up with private charities to help relieve those made destitute by the depression. All of ..

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When was the electric kettle invented?

Electric kettles started out as a luxury only affordable for the rich in the Victorian era, but became attainable by the wider public in the 1920s. The first modern electric kettle with the ability to switch off by itself when the water boiled was invented by Bill Russell and Peter Hobbs in 1955. This feature made the electric kettle much more popular.

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What are the names of some famous scientists and their inventions?

One of the greatest inventors of all time was Leonardo da Vinci, who lived in the 15th century and invented a wide range of models that were the base of engineering works centuries later. Galileo, who lived in the 16th century, invented the telescope and improved the compass.

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Who first used a graph to convey information?

The graph used by Playfair about 20 years after Priestly was the first to divide numerical data into discrete groupings. This particular feature of Playfair's work is what has earned him the greater amount of recognition for his visual depiction of data. Playfair was likely inspired by his review of Priestly's earlier document. More than 100 publications are attributed to Playfair, but he ran afoul of the law in some of his enterprises and died in poverty. His chart and graph styles have, however, remained in use.

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Who led the exploration of the Louisiana territory?

As Lewis and Clark explored, they gathered information on the landscapes, plants, animals and Native Americans they met on their journey. Their journals recorded 180 plants and 125 animals that were new to scientists. The explorers traveled west to the Pacific Ocean off the present-day Oregon coast. Their expedition helped the United States government understand the potential of its purchase and opened up the territory for pioneers to settle.

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Who built Machu Picchu?

Abandoned by the Incas about 100 years after it was built, Machu Picchu was rediscovered in 1911 by an archaeologist named Hiram Bingham. In 1912, he led an expedition sponsored by the National Geographic Society and Yale University to excavate the ruins. Machu Picchu turned out to be a fairly small site, probably housing not more than 500 to 700 people.\nBecause many of the skeletons initially found at the site seemed to be those of women, Bingham thought that Machu Picchu may have been a sanctuary or temple for the Virgins of the Sun, a group of women who worshiped the Incan sun god. However..

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What are the facts and fiction in regards to who helped the Mayans build their temples?

The temples were usually considered the center of the city.One of the most famous city centers was the temple at Palenque, which was a tribute to one of the Mayan's kings. Another famous city center temple is the temple in Tikal, Guatemala because it is the tallest of all of the Mayan temples.When building the temples, the Mayan architects were most interested in the way that the temple's exterior looked and they were fond of the corbel vault principle because of its ability to create impressive arches. They typically used limestone for the exterior as well as plastered the walls. It..

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