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What percentage of those with polio virus develop the disease?
About 90% of people infected by poliovirus develop only a mild case or no illness at all. About 1% of all people infected with poliovirus develop the actual disease known as polio.
What is the period when civilizations began to develop?
The first known civilization to develop was the Mesopotamians so it was probably during the Copper Age (3600 - 2800 B.C.).
Is diethyl in antifreeze?
Yes diethyl can be found in antifreeze. Diethyl is also found in paint removers. Diethyl is also known as ether.
Who were the first people to develop rubber?
The first people known to develop rubber were the indigenous peoples of Mesoamerica, particularly the Olmecs, around 1600 BCE. They extracted latex from rubber trees (Hevea brasiliensis) to create various products, including balls for games and waterproof items. The practice of rubber production and use later spread to other cultures in the region, including the Maya and Aztec civilizations.
Were the Shang the first people in China to develop a writing system?
Yes, the Shang Dynasty was the first to have a fully developed writing system in ancient China. The writing system, known as oracle bone script, was primarily used for divination purposes.
What are people who develop ideas that explain how the economy works known as?
Such people are generally known as Economists. There are many varieties of economists, like Neo-Classical, Keynesian, Marxist, Mercantilist, Physiocratic, etc.People who develop ideas that explain how an economy works are called economists.
Who and when disccovered the giants causeway?
It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.It has been there as long as people can remember, so it is not known who first saw it and when that was. There have been people in Ireland for at least 8000 years.
Who were Utah's first known inhabintants?
people.
In Hawaii who where the first known inhabitants?
The first people to live there are the Marquesas.
What were the first known magnets?
People first knew about magnetite and lodestone.
Who were the first people known to use the wheel and plow?
The Sumerians were first.
Oklahoma first known inhabitants?
The first people arrived in the early 1900s.
