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Author Question: The frequency of electromagnetic radiation required to promote an electron from n = 2 to n = 4 in a ... (Read 99 times) |
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.