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Author Question: Which of the following is true of preschoolers math knowledge? a. Low-SES preschoolers and middle ... (Read 2050 times) |
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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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.