- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: A factory has 20 assembly lines producing a popular toy. To inspect a representative sample of 100 ... (Read 2409 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
On average, the stomach produces 2 L of hydrochloric acid per day.
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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.