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Author Question: A university must choose a team of 6 students to participate in a TV quiz show. The students will be ... (Read 3518 times) |
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.