- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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Author Question: Describe a double-blind experiment and explain why blinding is used. Define the term placebo effect ... (Read 70 times) |
- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Cyanide works by making the human body unable to use oxygen.
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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.