Does Your Blood Type Reveal Your Personality?

Accord ing to a Japanese institute that does research on blood types, there are certain personality traits that seem to match up with certain blood types. How do you rate? TYPE O You want to be a leader, and when you see something you want, you keep striving until you achieve your goal. You are a trend-setter, loyal, p a s s i o n a t e, and self-confident. Your weaknesses include vanity and jealously and a tendency to be too competitive. TYPE A You like harmony, peace and organization. You work well with others, and are sensitive, patient...

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Why Is The Sea Salty?

Everyone who has been to the beach knows that seawater is salty. Everyone also knows that fresh water in rain, rivers, and even ice is not salty. Why are some of Earth’s waters salty and others not? There are two clues that give us the answer. First, “fresh” water is not entirely free of dissolved salt. Even rainwater has traces of substances dissolved in it that were picked up during passage through the atmosphere. Much of this material that “washes out” of the atmosphere today is pollution, but there are also natural substances present. As...

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Ozone Facts: What Is Ozone?

Ozone is a gas made up of three oxygen atoms (O3). It occurs naturally in small (trace) amounts in the upper atmosphere (the stratosphere). Ozone protects life on Earth from the Sun’s ultraviolet (UV) radiation. In the lower atmosphere (the troposphere) near the Earth’s surface, ozone is created by chemical reactions between air pollutants from vehicle exhaust, gasoline vapors, and other emissions. At ground level, high concentrations of ozone are toxic to people and plants. Stratospheric...

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