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Author Question: Which of the following radiations has the longest wavelength? a. Infrared b. Visible c. ... (Read 31 times) |
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
There are approximately 3 million unintended pregnancies in the United States each year.
On average, the stomach produces 2 L of hydrochloric acid per day.