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Author Question: Which substance is considered a primary pollutant? A) sulfuric acid B) carbonic acid C) ... (Read 67 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.