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Author Question: About one-third of all African American families, and nearly half of black children, fall below the ... (Read 59 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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.