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Author Question: Conservation of number is a concept Piaget did not expect children to grasp until age 2. 4. 6. ... (Read 62 times) |
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The average office desk has 400 times more bacteria on it than a toilet.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
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There are approximately 3 million unintended pregnancies in the United States each year.