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Author Question: Since 1950, the number of people ____ years old in the U.S. has increased seven-fold. a. under 5 b. ... (Read 51 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.