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Author Question: ________ smart cards are convenient for transportation services such as an auto-matic toll payment. ... (Read 27 times) |
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.