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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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.
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
![The phosphorus cycle. Numbers are 1012 g P or fluxes as 1012 g P per year (data from Schlesinger 199](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_02_17_2037874.jpeg)
![Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_22_223511856.jpeg)